Home / 149,082.61-223,625.14-54,380.65

Finding the Fourth Proportional to 149,082.61, 223,625.14 and 54,380.65

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Solution

The fourth proportional to 149,082.61, 223,625.14 and 54,380.65 is: 81,571.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,082.61 : 223,625.14 = 54,380.65 : x
  2. Step 2: Convert to fraction form
    149,082.61/223,625.14 = 54,380.65/x
  3. Step 3: Cross multiply
    149,082.61x = 223,625.14 × 54,380.65
  4. Step 4: Simplify right side
    149,082.61x = 12,160,880,469.54
  5. Step 5: Solve for x
    x = 12,160,880,469.54/149,082.61
  6. Step 6: Final answer
    x = 81,571.42

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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.