Home / 204,139.96-281,722.52-113,505.24

Finding the Fourth Proportional to 204,139.96, 281,722.52 and 113,505.24

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Solution

The fourth proportional to 204,139.96, 281,722.52 and 113,505.24 is: 156,642.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,139.96 : 281,722.52 = 113,505.24 : x
  2. Step 2: Convert to fraction form
    204,139.96/281,722.52 = 113,505.24/x
  3. Step 3: Cross multiply
    204,139.96x = 281,722.52 × 113,505.24
  4. Step 4: Simplify right side
    204,139.96x = 31,976,982,246.00
  5. Step 5: Solve for x
    x = 31,976,982,246.00/204,139.96
  6. Step 6: Final answer
    x = 156,642.44

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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.