Home / 204,081.72-281,711.22-136,073.88

Finding the Fourth Proportional to 204,081.72, 281,711.22 and 136,073.88

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Solution

The fourth proportional to 204,081.72, 281,711.22 and 136,073.88 is: 187,834.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,081.72 : 281,711.22 = 136,073.88 : x
  2. Step 2: Convert to fraction form
    204,081.72/281,711.22 = 136,073.88/x
  3. Step 3: Cross multiply
    204,081.72x = 281,711.22 × 136,073.88
  4. Step 4: Simplify right side
    204,081.72x = 38,333,538,744.93
  5. Step 5: Solve for x
    x = 38,333,538,744.93/204,081.72
  6. Step 6: Final answer
    x = 187,834.26

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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.