Home / 204,044.40-281,572.20-113,406.72

Finding the Fourth Proportional to 204,044.40, 281,572.20 and 113,406.72

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Solution

The fourth proportional to 204,044.40, 281,572.20 and 113,406.72 is: 156,496.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,044.40 : 281,572.20 = 113,406.72 : x
  2. Step 2: Convert to fraction form
    204,044.40/281,572.20 = 113,406.72/x
  3. Step 3: Cross multiply
    204,044.40x = 281,572.20 × 113,406.72
  4. Step 4: Simplify right side
    204,044.40x = 31,932,179,645.18
  5. Step 5: Solve for x
    x = 31,932,179,645.18/204,044.40
  6. Step 6: Final answer
    x = 156,496.23

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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.