Home / 204,098.20-281,661.60-123,540.46

Finding the Fourth Proportional to 204,098.20, 281,661.60 and 123,540.46

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Solution

The fourth proportional to 204,098.20, 281,661.60 and 123,540.46 is: 170,489.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,098.20 : 281,661.60 = 123,540.46 : x
  2. Step 2: Convert to fraction form
    204,098.20/281,661.60 = 123,540.46/x
  3. Step 3: Cross multiply
    204,098.20x = 281,661.60 × 123,540.46
  4. Step 4: Simplify right side
    204,098.20x = 34,796,603,387.46
  5. Step 5: Solve for x
    x = 34,796,603,387.46/204,098.20
  6. Step 6: Final answer
    x = 170,489.52

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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.