Home / 166,966.72-250,044.17-86,752.42

Finding the Fourth Proportional to 166,966.72, 250,044.17 and 86,752.42

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Solution

The fourth proportional to 166,966.72, 250,044.17 and 86,752.42 is: 129,917.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,966.72 : 250,044.17 = 86,752.42 : x
  2. Step 2: Convert to fraction form
    166,966.72/250,044.17 = 86,752.42/x
  3. Step 3: Cross multiply
    166,966.72x = 250,044.17 × 86,752.42
  4. Step 4: Simplify right side
    166,966.72x = 21,691,935,795.52
  5. Step 5: Solve for x
    x = 21,691,935,795.52/166,966.72
  6. Step 6: Final answer
    x = 129,917.72

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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.