Home / 148,540.53-204,935.76-88,129.92

Finding the Fourth Proportional to 148,540.53, 204,935.76 and 88,129.92

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Solution

The fourth proportional to 148,540.53, 204,935.76 and 88,129.92 is: 121,589.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,540.53 : 204,935.76 = 88,129.92 : x
  2. Step 2: Convert to fraction form
    148,540.53/204,935.76 = 88,129.92/x
  3. Step 3: Cross multiply
    148,540.53x = 204,935.76 × 88,129.92
  4. Step 4: Simplify right side
    148,540.53x = 18,060,972,133.94
  5. Step 5: Solve for x
    x = 18,060,972,133.94/148,540.53
  6. Step 6: Final answer
    x = 121,589.52

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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.