Home / 99,306.20-148,862.10-88,808.60

Finding the Fourth Proportional to 99,306.20, 148,862.10 and 88,808.60

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Solution

The fourth proportional to 99,306.20, 148,862.10 and 88,808.60 is: 133,125.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,306.20 : 148,862.10 = 88,808.60 : x
  2. Step 2: Convert to fraction form
    99,306.20/148,862.10 = 88,808.60/x
  3. Step 3: Cross multiply
    99,306.20x = 148,862.10 × 88,808.60
  4. Step 4: Simplify right side
    99,306.20x = 13,220,234,694.06
  5. Step 5: Solve for x
    x = 13,220,234,694.06/99,306.20
  6. Step 6: Final answer
    x = 133,125.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.