Home / 204,140.58-281,721.21-113,522.25

Finding the Fourth Proportional to 204,140.58, 281,721.21 and 113,522.25

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Solution

The fourth proportional to 204,140.58, 281,721.21 and 113,522.25 is: 156,664.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,140.58 : 281,721.21 = 113,522.25 : x
  2. Step 2: Convert to fraction form
    204,140.58/281,721.21 = 113,522.25/x
  3. Step 3: Cross multiply
    204,140.58x = 281,721.21 × 113,522.25
  4. Step 4: Simplify right side
    204,140.58x = 31,981,625,631.92
  5. Step 5: Solve for x
    x = 31,981,625,631.92/204,140.58
  6. Step 6: Final answer
    x = 156,664.71

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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.