Home / 132,158.44-182,379.96-71,729.62

Finding the Fourth Proportional to 132,158.44, 182,379.96 and 71,729.62

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Solution

The fourth proportional to 132,158.44, 182,379.96 and 71,729.62 is: 98,987.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,158.44 : 182,379.96 = 71,729.62 : x
  2. Step 2: Convert to fraction form
    132,158.44/182,379.96 = 71,729.62/x
  3. Step 3: Cross multiply
    132,158.44x = 182,379.96 × 71,729.62
  4. Step 4: Simplify right side
    132,158.44x = 13,082,045,226.42
  5. Step 5: Solve for x
    x = 13,082,045,226.42/132,158.44
  6. Step 6: Final answer
    x = 98,987.59

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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.