Home / 126,131.20-174,053.12-69,543.04

Finding the Fourth Proportional to 126,131.20, 174,053.12 and 69,543.04

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Solution

The fourth proportional to 126,131.20, 174,053.12 and 69,543.04 is: 95,965.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,131.20 : 174,053.12 = 69,543.04 : x
  2. Step 2: Convert to fraction form
    126,131.20/174,053.12 = 69,543.04/x
  3. Step 3: Cross multiply
    126,131.20x = 174,053.12 × 69,543.04
  4. Step 4: Simplify right side
    126,131.20x = 12,104,183,086.28
  5. Step 5: Solve for x
    x = 12,104,183,086.28/126,131.20
  6. Step 6: Final answer
    x = 95,965.02

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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.