Home / 177,342.76-266,011.33-82,519.91

Finding the Fourth Proportional to 177,342.76, 266,011.33 and 82,519.91

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Solution

The fourth proportional to 177,342.76, 266,011.33 and 82,519.91 is: 123,778.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,342.76 : 266,011.33 = 82,519.91 : x
  2. Step 2: Convert to fraction form
    177,342.76/266,011.33 = 82,519.91/x
  3. Step 3: Cross multiply
    177,342.76x = 266,011.33 × 82,519.91
  4. Step 4: Simplify right side
    177,342.76x = 21,951,231,010.58
  5. Step 5: Solve for x
    x = 21,951,231,010.58/177,342.76
  6. Step 6: Final answer
    x = 123,778.56

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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.