Home / 204,150.38-281,743.31-122,481.71

Finding the Fourth Proportional to 204,150.38, 281,743.31 and 122,481.71

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Solution

The fourth proportional to 204,150.38, 281,743.31 and 122,481.71 is: 169,034.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,150.38 : 281,743.31 = 122,481.71 : x
  2. Step 2: Convert to fraction form
    204,150.38/281,743.31 = 122,481.71/x
  3. Step 3: Cross multiply
    204,150.38x = 281,743.31 × 122,481.71
  4. Step 4: Simplify right side
    204,150.38x = 34,508,403,400.42
  5. Step 5: Solve for x
    x = 34,508,403,400.42/204,150.38
  6. Step 6: Final answer
    x = 169,034.23

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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.