Home / 132,186.18-198,211.23-53,279.22

Finding the Fourth Proportional to 132,186.18, 198,211.23 and 53,279.22

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Solution

The fourth proportional to 132,186.18, 198,211.23 and 53,279.22 is: 79,891.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,186.18 : 198,211.23 = 53,279.22 : x
  2. Step 2: Convert to fraction form
    132,186.18/198,211.23 = 53,279.22/x
  3. Step 3: Cross multiply
    132,186.18x = 198,211.23 × 53,279.22
  4. Step 4: Simplify right side
    132,186.18x = 10,560,539,729.64
  5. Step 5: Solve for x
    x = 10,560,539,729.64/132,186.18
  6. Step 6: Final answer
    x = 79,891.41

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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.