Home / 148,965.80-223,157.10-89,625.20

Finding the Fourth Proportional to 148,965.80, 223,157.10 and 89,625.20

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Solution

The fourth proportional to 148,965.80, 223,157.10 and 89,625.20 is: 134,262.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,965.80 : 223,157.10 = 89,625.20 : x
  2. Step 2: Convert to fraction form
    148,965.80/223,157.10 = 89,625.20/x
  3. Step 3: Cross multiply
    148,965.80x = 223,157.10 × 89,625.20
  4. Step 4: Simplify right side
    148,965.80x = 20,000,499,718.92
  5. Step 5: Solve for x
    x = 20,000,499,718.92/148,965.80
  6. Step 6: Final answer
    x = 134,262.36

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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.