Home / 132,002.40-182,115.44-86,704.88

Finding the Fourth Proportional to 132,002.40, 182,115.44 and 86,704.88

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Solution

The fourth proportional to 132,002.40, 182,115.44 and 86,704.88 is: 119,621.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,002.40 : 182,115.44 = 86,704.88 : x
  2. Step 2: Convert to fraction form
    132,002.40/182,115.44 = 86,704.88/x
  3. Step 3: Cross multiply
    132,002.40x = 182,115.44 × 86,704.88
  4. Step 4: Simplify right side
    132,002.40x = 15,790,297,371.35
  5. Step 5: Solve for x
    x = 15,790,297,371.35/132,002.40
  6. Step 6: Final answer
    x = 119,621.29

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1.5x scale

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.