Home / 132,121.44-198,181.61-47,861.88

Finding the Fourth Proportional to 132,121.44, 198,181.61 and 47,861.88

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Solution

The fourth proportional to 132,121.44, 198,181.61 and 47,861.88 is: 71,792.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,121.44 : 198,181.61 = 47,861.88 : x
  2. Step 2: Convert to fraction form
    132,121.44/198,181.61 = 47,861.88/x
  3. Step 3: Cross multiply
    132,121.44x = 198,181.61 × 47,861.88
  4. Step 4: Simplify right side
    132,121.44x = 9,485,344,196.72
  5. Step 5: Solve for x
    x = 9,485,344,196.72/132,121.44
  6. Step 6: Final answer
    x = 71,792.62

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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.