Home / 126,248.40-174,149.33-80,910.27

Finding the Fourth Proportional to 126,248.40, 174,149.33 and 80,910.27

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Solution

The fourth proportional to 126,248.40, 174,149.33 and 80,910.27 is: 111,609.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,248.40 : 174,149.33 = 80,910.27 : x
  2. Step 2: Convert to fraction form
    126,248.40/174,149.33 = 80,910.27/x
  3. Step 3: Cross multiply
    126,248.40x = 174,149.33 × 80,910.27
  4. Step 4: Simplify right side
    126,248.40x = 14,090,468,906.07
  5. Step 5: Solve for x
    x = 14,090,468,906.07/126,248.40
  6. Step 6: Final answer
    x = 111,609.09

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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.