Home / 187,225.74-280,753.38-54,074.34

Finding the Fourth Proportional to 187,225.74, 280,753.38 and 54,074.34

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Solution

The fourth proportional to 187,225.74, 280,753.38 and 54,074.34 is: 81,086.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,225.74 : 280,753.38 = 54,074.34 : x
  2. Step 2: Convert to fraction form
    187,225.74/280,753.38 = 54,074.34/x
  3. Step 3: Cross multiply
    187,225.74x = 280,753.38 × 54,074.34
  4. Step 4: Simplify right side
    187,225.74x = 15,181,553,726.27
  5. Step 5: Solve for x
    x = 15,181,553,726.27/187,225.74
  6. Step 6: Final answer
    x = 81,086.89

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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.