Home / 204,079.26-281,613.18-113,428.11

Finding the Fourth Proportional to 204,079.26, 281,613.18 and 113,428.11

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Solution

The fourth proportional to 204,079.26, 281,613.18 and 113,428.11 is: 156,521.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,079.26 : 281,613.18 = 113,428.11 : x
  2. Step 2: Convert to fraction form
    204,079.26/281,613.18 = 113,428.11/x
  3. Step 3: Cross multiply
    204,079.26x = 281,613.18 × 113,428.11
  4. Step 4: Simplify right side
    204,079.26x = 31,942,850,758.49
  5. Step 5: Solve for x
    x = 31,942,850,758.49/204,079.26
  6. Step 6: Final answer
    x = 156,521.79

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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.