Home / 165,142.92-227,898.56-89,691.96

Finding the Fourth Proportional to 165,142.92, 227,898.56 and 89,691.96

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Solution

The fourth proportional to 165,142.92, 227,898.56 and 89,691.96 is: 123,775.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,142.92 : 227,898.56 = 89,691.96 : x
  2. Step 2: Convert to fraction form
    165,142.92/227,898.56 = 89,691.96/x
  3. Step 3: Cross multiply
    165,142.92x = 227,898.56 × 89,691.96
  4. Step 4: Simplify right side
    165,142.92x = 20,440,668,527.58
  5. Step 5: Solve for x
    x = 20,440,668,527.58/165,142.92
  6. Step 6: Final answer
    x = 123,775.63

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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.