Home / 157,170.72-235,753.76-38,842.06

Finding the Fourth Proportional to 157,170.72, 235,753.76 and 38,842.06

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Solution

The fourth proportional to 157,170.72, 235,753.76 and 38,842.06 is: 58,262.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,170.72 : 235,753.76 = 38,842.06 : x
  2. Step 2: Convert to fraction form
    157,170.72/235,753.76 = 38,842.06/x
  3. Step 3: Cross multiply
    157,170.72x = 235,753.76 × 38,842.06
  4. Step 4: Simplify right side
    157,170.72x = 9,157,161,691.15
  5. Step 5: Solve for x
    x = 9,157,161,691.15/157,170.72
  6. Step 6: Final answer
    x = 58,262.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.