Home / 148,755.07-205,253.12-88,344.66

Finding the Fourth Proportional to 148,755.07, 205,253.12 and 88,344.66

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Solution

The fourth proportional to 148,755.07, 205,253.12 and 88,344.66 is: 121,898.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,755.07 : 205,253.12 = 88,344.66 : x
  2. Step 2: Convert to fraction form
    148,755.07/205,253.12 = 88,344.66/x
  3. Step 3: Cross multiply
    148,755.07x = 205,253.12 × 88,344.66
  4. Step 4: Simplify right side
    148,755.07x = 18,133,016,439.41
  5. Step 5: Solve for x
    x = 18,133,016,439.41/148,755.07
  6. Step 6: Final answer
    x = 121,898.48

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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.