Home / 499,192.56-748,789.38-125,215.56

Finding the Fourth Proportional to 499,192.56, 748,789.38 and 125,215.56

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Solution

The fourth proportional to 499,192.56, 748,789.38 and 125,215.56 is: 187,823.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,192.56 : 748,789.38 = 125,215.56 : x
  2. Step 2: Convert to fraction form
    499,192.56/748,789.38 = 125,215.56/x
  3. Step 3: Cross multiply
    499,192.56x = 748,789.38 × 125,215.56
  4. Step 4: Simplify right side
    499,192.56x = 93,760,081,538.75
  5. Step 5: Solve for x
    x = 93,760,081,538.75/499,192.56
  6. Step 6: Final answer
    x = 187,823.48

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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.