Home / 204,138.96-281,721.14-113,504.23

Finding the Fourth Proportional to 204,138.96, 281,721.14 and 113,504.23

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Solution

The fourth proportional to 204,138.96, 281,721.14 and 113,504.23 is: 156,641.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,138.96 : 281,721.14 = 113,504.23 : x
  2. Step 2: Convert to fraction form
    204,138.96/281,721.14 = 113,504.23/x
  3. Step 3: Cross multiply
    204,138.96x = 281,721.14 × 113,504.23
  4. Step 4: Simplify right side
    204,138.96x = 31,976,541,070.42
  5. Step 5: Solve for x
    x = 31,976,541,070.42/204,138.96
  6. Step 6: Final answer
    x = 156,641.05

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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.