Home / 132,382.20-182,690.90-75,811.80

Finding the Fourth Proportional to 132,382.20, 182,690.90 and 75,811.80

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Solution

The fourth proportional to 132,382.20, 182,690.90 and 75,811.80 is: 104,622.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,382.20 : 182,690.90 = 75,811.80 : x
  2. Step 2: Convert to fraction form
    132,382.20/182,690.90 = 75,811.80/x
  3. Step 3: Cross multiply
    132,382.20x = 182,690.90 × 75,811.80
  4. Step 4: Simplify right side
    132,382.20x = 13,850,125,972.62
  5. Step 5: Solve for x
    x = 13,850,125,972.62/132,382.20
  6. Step 6: Final answer
    x = 104,622.27

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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.