Home / 148,997.80-223,205.10-89,657.20

Finding the Fourth Proportional to 148,997.80, 223,205.10 and 89,657.20

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Solution

The fourth proportional to 148,997.80, 223,205.10 and 89,657.20 is: 134,310.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,997.80 : 223,205.10 = 89,657.20 : x
  2. Step 2: Convert to fraction form
    148,997.80/223,205.10 = 89,657.20/x
  3. Step 3: Cross multiply
    148,997.80x = 223,205.10 × 89,657.20
  4. Step 4: Simplify right side
    148,997.80x = 20,011,944,291.72
  5. Step 5: Solve for x
    x = 20,011,944,291.72/148,997.80
  6. Step 6: Final answer
    x = 134,310.33

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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.