Home / 187,182.33-280,757.72-80,561.98

Finding the Fourth Proportional to 187,182.33, 280,757.72 and 80,561.98

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Solution

The fourth proportional to 187,182.33, 280,757.72 and 80,561.98 is: 120,836.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,182.33 : 280,757.72 = 80,561.98 : x
  2. Step 2: Convert to fraction form
    187,182.33/280,757.72 = 80,561.98/x
  3. Step 3: Cross multiply
    187,182.33x = 280,757.72 × 80,561.98
  4. Step 4: Simplify right side
    187,182.33x = 22,618,397,754.44
  5. Step 5: Solve for x
    x = 22,618,397,754.44/187,182.33
  6. Step 6: Final answer
    x = 120,836.18

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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.