Home / 157,387.28-217,141.10-96,111.12

Finding the Fourth Proportional to 157,387.28, 217,141.10 and 96,111.12

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Solution

The fourth proportional to 157,387.28, 217,141.10 and 96,111.12 is: 132,600.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,387.28 : 217,141.10 = 96,111.12 : x
  2. Step 2: Convert to fraction form
    157,387.28/217,141.10 = 96,111.12/x
  3. Step 3: Cross multiply
    157,387.28x = 217,141.10 × 96,111.12
  4. Step 4: Simplify right side
    157,387.28x = 20,869,674,319.03
  5. Step 5: Solve for x
    x = 20,869,674,319.03/157,387.28
  6. Step 6: Final answer
    x = 132,600.77

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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.