Finding the Fourth Proportional to 186,163.04, 256,905.60 and 101,280.08
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Solution
The fourth proportional to 186,163.04, 256,905.60 and 101,280.08 is: 139,766.84
Step by Step Solution
- Step 1: Write the proportion equation
186,163.04 : 256,905.60 = 101,280.08 : x - Step 2: Convert to fraction form
186,163.04/256,905.60 = 101,280.08/x - Step 3: Cross multiply
186,163.04x = 256,905.60 × 101,280.08 - Step 4: Simplify right side
186,163.04x = 26,019,419,720.45 - Step 5: Solve for x
x = 26,019,419,720.45/186,163.04 - Step 6: Final answer
x = 139,766.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.