Home / 126,295.52-188,408.08-122,863.28

Finding the Fourth Proportional to 126,295.52, 188,408.08 and 122,863.28

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Solution

The fourth proportional to 126,295.52, 188,408.08 and 122,863.28 is: 183,287.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,295.52 : 188,408.08 = 122,863.28 : x
  2. Step 2: Convert to fraction form
    126,295.52/188,408.08 = 122,863.28/x
  3. Step 3: Cross multiply
    126,295.52x = 188,408.08 × 122,863.28
  4. Step 4: Simplify right side
    126,295.52x = 23,148,434,687.30
  5. Step 5: Solve for x
    x = 23,148,434,687.30/126,295.52
  6. Step 6: Final answer
    x = 183,287.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.