Home / 132,437.85-198,781.62-48,279.35

Finding the Fourth Proportional to 132,437.85, 198,781.62 and 48,279.35

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Solution

The fourth proportional to 132,437.85, 198,781.62 and 48,279.35 is: 72,464.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,437.85 : 198,781.62 = 48,279.35 : x
  2. Step 2: Convert to fraction form
    132,437.85/198,781.62 = 48,279.35/x
  3. Step 3: Cross multiply
    132,437.85x = 198,781.62 × 48,279.35
  4. Step 4: Simplify right side
    132,437.85x = 9,597,047,405.55
  5. Step 5: Solve for x
    x = 9,597,047,405.55/132,437.85
  6. Step 6: Final answer
    x = 72,464.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.