Home / 126,451.97-174,501.65-69,868.61

Finding the Fourth Proportional to 126,451.97, 174,501.65 and 69,868.61

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Solution

The fourth proportional to 126,451.97, 174,501.65 and 69,868.61 is: 96,417.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,451.97 : 174,501.65 = 69,868.61 : x
  2. Step 2: Convert to fraction form
    126,451.97/174,501.65 = 69,868.61/x
  3. Step 3: Cross multiply
    126,451.97x = 174,501.65 × 69,868.61
  4. Step 4: Simplify right side
    126,451.97x = 12,192,187,378.86
  5. Step 5: Solve for x
    x = 12,192,187,378.86/126,451.97
  6. Step 6: Final answer
    x = 96,417.54

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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.