Home / 132,245.04-198,401.11-61,218.91

Finding the Fourth Proportional to 132,245.04, 198,401.11 and 61,218.91

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Solution

The fourth proportional to 132,245.04, 198,401.11 and 61,218.91 is: 91,843.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,245.04 : 198,401.11 = 61,218.91 : x
  2. Step 2: Convert to fraction form
    132,245.04/198,401.11 = 61,218.91/x
  3. Step 3: Cross multiply
    132,245.04x = 198,401.11 × 61,218.91
  4. Step 4: Simplify right side
    132,245.04x = 12,145,900,436.04
  5. Step 5: Solve for x
    x = 12,145,900,436.04/132,245.04
  6. Step 6: Final answer
    x = 91,843.90

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1.5x scale

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.