Home / 148,067.28-204,337.68-80,999.28

Finding the Fourth Proportional to 148,067.28, 204,337.68 and 80,999.28

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Solution

The fourth proportional to 148,067.28, 204,337.68 and 80,999.28 is: 111,781.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,067.28 : 204,337.68 = 80,999.28 : x
  2. Step 2: Convert to fraction form
    148,067.28/204,337.68 = 80,999.28/x
  3. Step 3: Cross multiply
    148,067.28x = 204,337.68 × 80,999.28
  4. Step 4: Simplify right side
    148,067.28x = 16,551,204,956.87
  5. Step 5: Solve for x
    x = 16,551,204,956.87/148,067.28
  6. Step 6: Final answer
    x = 111,781.65

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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.