Home / 204,117.90-281,687.40-113,470.38

Finding the Fourth Proportional to 204,117.90, 281,687.40 and 113,470.38

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Solution

The fourth proportional to 204,117.90, 281,687.40 and 113,470.38 is: 156,591.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,117.90 : 281,687.40 = 113,470.38 : x
  2. Step 2: Convert to fraction form
    204,117.90/281,687.40 = 113,470.38/x
  3. Step 3: Cross multiply
    204,117.90x = 281,687.40 × 113,470.38
  4. Step 4: Simplify right side
    204,117.90x = 31,963,176,319.21
  5. Step 5: Solve for x
    x = 31,963,176,319.21/204,117.90
  6. Step 6: Final answer
    x = 156,591.74

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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.