Home / 132,082.06-198,172.41-53,218.66

Finding the Fourth Proportional to 132,082.06, 198,172.41 and 53,218.66

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Solution

The fourth proportional to 132,082.06, 198,172.41 and 53,218.66 is: 79,847.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,082.06 : 198,172.41 = 53,218.66 : x
  2. Step 2: Convert to fraction form
    132,082.06/198,172.41 = 53,218.66/x
  3. Step 3: Cross multiply
    132,082.06x = 198,172.41 × 53,218.66
  4. Step 4: Simplify right side
    132,082.06x = 10,546,470,109.17
  5. Step 5: Solve for x
    x = 10,546,470,109.17/132,082.06
  6. Step 6: Final answer
    x = 79,847.86

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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.