Finding the Fourth Proportional to 186,757.55, 257,725.12 and 101,874.61
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Solution
The fourth proportional to 186,757.55, 257,725.12 and 101,874.61 is: 140,586.80
Step by Step Solution
- Step 1: Write the proportion equation
186,757.55 : 257,725.12 = 101,874.61 : x - Step 2: Convert to fraction form
186,757.55/257,725.12 = 101,874.61/x - Step 3: Cross multiply
186,757.55x = 257,725.12 × 101,874.61 - Step 4: Simplify right side
186,757.55x = 26,255,646,059.17 - Step 5: Solve for x
x = 26,255,646,059.17/186,757.55 - Step 6: Final answer
x = 140,586.80
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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.