Home / 126,141.20-174,066.92-69,553.04

Finding the Fourth Proportional to 126,141.20, 174,066.92 and 69,553.04

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Solution

The fourth proportional to 126,141.20, 174,066.92 and 69,553.04 is: 95,978.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,141.20 : 174,066.92 = 69,553.04 : x
  2. Step 2: Convert to fraction form
    126,141.20/174,066.92 = 69,553.04/x
  3. Step 3: Cross multiply
    126,141.20x = 174,066.92 × 69,553.04
  4. Step 4: Simplify right side
    126,141.20x = 12,106,883,449.44
  5. Step 5: Solve for x
    x = 12,106,883,449.44/126,141.20
  6. Step 6: Final answer
    x = 95,978.82

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1.5x scale

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.