Home / 126,395.91-174,425.28-69,806.07

Finding the Fourth Proportional to 126,395.91, 174,425.28 and 69,806.07

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Solution

The fourth proportional to 126,395.91, 174,425.28 and 69,806.07 is: 96,331.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,395.91 : 174,425.28 = 69,806.07 : x
  2. Step 2: Convert to fraction form
    126,395.91/174,425.28 = 69,806.07/x
  3. Step 3: Cross multiply
    126,395.91x = 174,425.28 × 69,806.07
  4. Step 4: Simplify right side
    126,395.91x = 12,175,942,084.29
  5. Step 5: Solve for x
    x = 12,175,942,084.29/126,395.91
  6. Step 6: Final answer
    x = 96,331.78

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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.