Home / 126,936.77-175,174.90-69,574.95

Finding the Fourth Proportional to 126,936.77, 175,174.90 and 69,574.95

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Solution

The fourth proportional to 126,936.77, 175,174.90 and 69,574.95 is: 96,014.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,936.77 : 175,174.90 = 69,574.95 : x
  2. Step 2: Convert to fraction form
    126,936.77/175,174.90 = 69,574.95/x
  3. Step 3: Cross multiply
    126,936.77x = 175,174.90 × 69,574.95
  4. Step 4: Simplify right side
    126,936.77x = 12,187,785,126.18
  5. Step 5: Solve for x
    x = 12,187,785,126.18/126,936.77
  6. Step 6: Final answer
    x = 96,014.61

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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.