Home / 131,760.12-197,613.90-47,517.96

Finding the Fourth Proportional to 131,760.12, 197,613.90 and 47,517.96

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Solution

The fourth proportional to 131,760.12, 197,613.90 and 47,517.96 is: 71,267.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,760.12 : 197,613.90 = 47,517.96 : x
  2. Step 2: Convert to fraction form
    131,760.12/197,613.90 = 47,517.96/x
  3. Step 3: Cross multiply
    131,760.12x = 197,613.90 × 47,517.96
  4. Step 4: Simplify right side
    131,760.12x = 9,390,209,395.64
  5. Step 5: Solve for x
    x = 9,390,209,395.64/131,760.12
  6. Step 6: Final answer
    x = 71,267.46

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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.