Home / 132,110.36-198,172.04-53,213.92

Finding the Fourth Proportional to 132,110.36, 198,172.04 and 53,213.92

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Solution

The fourth proportional to 132,110.36, 198,172.04 and 53,213.92 is: 79,823.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,110.36 : 198,172.04 = 53,213.92 : x
  2. Step 2: Convert to fraction form
    132,110.36/198,172.04 = 53,213.92/x
  3. Step 3: Cross multiply
    132,110.36x = 198,172.04 × 53,213.92
  4. Step 4: Simplify right side
    132,110.36x = 10,545,511,082.80
  5. Step 5: Solve for x
    x = 10,545,511,082.80/132,110.36
  6. Step 6: Final answer
    x = 79,823.50

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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.