Home / 126,550.14-174,633.66-72,836.88

Finding the Fourth Proportional to 126,550.14, 174,633.66 and 72,836.88

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Solution

The fourth proportional to 126,550.14, 174,633.66 and 72,836.88 is: 100,511.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,550.14 : 174,633.66 = 72,836.88 : x
  2. Step 2: Convert to fraction form
    126,550.14/174,633.66 = 72,836.88/x
  3. Step 3: Cross multiply
    126,550.14x = 174,633.66 × 72,836.88
  4. Step 4: Simplify right side
    126,550.14x = 12,719,770,937.38
  5. Step 5: Solve for x
    x = 12,719,770,937.38/126,550.14
  6. Step 6: Final answer
    x = 100,511.71

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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.