Home / 204,139.06-281,716.05-113,498.62

Finding the Fourth Proportional to 204,139.06, 281,716.05 and 113,498.62

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Solution

The fourth proportional to 204,139.06, 281,716.05 and 113,498.62 is: 156,630.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,139.06 : 281,716.05 = 113,498.62 : x
  2. Step 2: Convert to fraction form
    204,139.06/281,716.05 = 113,498.62/x
  3. Step 3: Cross multiply
    204,139.06x = 281,716.05 × 113,498.62
  4. Step 4: Simplify right side
    204,139.06x = 31,974,382,906.85
  5. Step 5: Solve for x
    x = 31,974,382,906.85/204,139.06
  6. Step 6: Final answer
    x = 156,630.40

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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.