Home / 126,115.19-173,940.49-80,797.36

Finding the Fourth Proportional to 126,115.19, 173,940.49 and 80,797.36

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Solution

The fourth proportional to 126,115.19, 173,940.49 and 80,797.36 is: 111,437.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,115.19 : 173,940.49 = 80,797.36 : x
  2. Step 2: Convert to fraction form
    126,115.19/173,940.49 = 80,797.36/x
  3. Step 3: Cross multiply
    126,115.19x = 173,940.49 × 80,797.36
  4. Step 4: Simplify right side
    126,115.19x = 14,053,932,389.11
  5. Step 5: Solve for x
    x = 14,053,932,389.11/126,115.19
  6. Step 6: Final answer
    x = 111,437.27

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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.