Home / 126,590.24-174,535.76-81,188.12

Finding the Fourth Proportional to 126,590.24, 174,535.76 and 81,188.12

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Solution

The fourth proportional to 126,590.24, 174,535.76 and 81,188.12 is: 111,937.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,590.24 : 174,535.76 = 81,188.12 : x
  2. Step 2: Convert to fraction form
    126,590.24/174,535.76 = 81,188.12/x
  3. Step 3: Cross multiply
    126,590.24x = 174,535.76 × 81,188.12
  4. Step 4: Simplify right side
    126,590.24x = 14,170,230,227.17
  5. Step 5: Solve for x
    x = 14,170,230,227.17/126,590.24
  6. Step 6: Final answer
    x = 111,937.78

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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.