A window washers scaffold 12.0 ft long and weighing 75.0 lb is suspended from each end. One

Question:

A window washer’s scaffold 12.0 ft long and weighing 75.0 lb is suspended from each end. One washer weighs 155 lb and is 3.00 ft from one end. The other washer is 4.00 ft from the other end. If the force supported by the end near the first washer is 200 lb, how much does the second washer weigh?