Home / 126,115.68-173,941.19-80,797.85

Finding the Fourth Proportional to 126,115.68, 173,941.19 and 80,797.85

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Solution

The fourth proportional to 126,115.68, 173,941.19 and 80,797.85 is: 111,437.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,115.68 : 173,941.19 = 80,797.85 : x
  2. Step 2: Convert to fraction form
    126,115.68/173,941.19 = 80,797.85/x
  3. Step 3: Cross multiply
    126,115.68x = 173,941.19 × 80,797.85
  4. Step 4: Simplify right side
    126,115.68x = 14,054,074,838.44
  5. Step 5: Solve for x
    x = 14,054,074,838.44/126,115.68
  6. Step 6: Final answer
    x = 111,437.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.