Home / 126,470.88-174,224.79-108,263.70

Finding the Fourth Proportional to 126,470.88, 174,224.79 and 108,263.70

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Solution

The fourth proportional to 126,470.88, 174,224.79 and 108,263.70 is: 149,142.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,470.88 : 174,224.79 = 108,263.70 : x
  2. Step 2: Convert to fraction form
    126,470.88/174,224.79 = 108,263.70/x
  3. Step 3: Cross multiply
    126,470.88x = 174,224.79 × 108,263.70
  4. Step 4: Simplify right side
    126,470.88x = 18,862,220,397.12
  5. Step 5: Solve for x
    x = 18,862,220,397.12/126,470.88
  6. Step 6: Final answer
    x = 149,142.79

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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.