Home / 132,046.20-182,217.60-81,048.60

Finding the Fourth Proportional to 132,046.20, 182,217.60 and 81,048.60

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Solution

The fourth proportional to 132,046.20, 182,217.60 and 81,048.60 is: 111,843.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,046.20 : 182,217.60 = 81,048.60 : x
  2. Step 2: Convert to fraction form
    132,046.20/182,217.60 = 81,048.60/x
  3. Step 3: Cross multiply
    132,046.20x = 182,217.60 × 81,048.60
  4. Step 4: Simplify right side
    132,046.20x = 14,768,481,375.36
  5. Step 5: Solve for x
    x = 14,768,481,375.36/132,046.20
  6. Step 6: Final answer
    x = 111,843.29

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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.