Home / 126,117.17-188,965.57-88,610.10

Finding the Fourth Proportional to 126,117.17, 188,965.57 and 88,610.10

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Solution

The fourth proportional to 126,117.17, 188,965.57 and 88,610.10 is: 132,767.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,117.17 : 188,965.57 = 88,610.10 : x
  2. Step 2: Convert to fraction form
    126,117.17/188,965.57 = 88,610.10/x
  3. Step 3: Cross multiply
    126,117.17x = 188,965.57 × 88,610.10
  4. Step 4: Simplify right side
    126,117.17x = 16,744,257,680.60
  5. Step 5: Solve for x
    x = 16,744,257,680.60/126,117.17
  6. Step 6: Final answer
    x = 132,767.47

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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.