Home / 136,726.55-204,761.78-66,523.85

Finding the Fourth Proportional to 136,726.55, 204,761.78 and 66,523.85

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Solution

The fourth proportional to 136,726.55, 204,761.78 and 66,523.85 is: 99,626.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,726.55 : 204,761.78 = 66,523.85 : x
  2. Step 2: Convert to fraction form
    136,726.55/204,761.78 = 66,523.85/x
  3. Step 3: Cross multiply
    136,726.55x = 204,761.78 × 66,523.85
  4. Step 4: Simplify right side
    136,726.55x = 13,621,541,605.83
  5. Step 5: Solve for x
    x = 13,621,541,605.83/136,726.55
  6. Step 6: Final answer
    x = 99,626.16

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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.