Home / 126,229.68-174,197.52-69,642.72

Finding the Fourth Proportional to 126,229.68, 174,197.52 and 69,642.72

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Solution

The fourth proportional to 126,229.68, 174,197.52 and 69,642.72 is: 96,107.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,229.68 : 174,197.52 = 69,642.72 : x
  2. Step 2: Convert to fraction form
    126,229.68/174,197.52 = 69,642.72/x
  3. Step 3: Cross multiply
    126,229.68x = 174,197.52 × 69,642.72
  4. Step 4: Simplify right side
    126,229.68x = 12,131,589,110.05
  5. Step 5: Solve for x
    x = 12,131,589,110.05/126,229.68
  6. Step 6: Final answer
    x = 96,107.26

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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.