Home / 132,089.11-198,140.15-53,192.68

Finding the Fourth Proportional to 132,089.11, 198,140.15 and 53,192.68

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Solution

The fourth proportional to 132,089.11, 198,140.15 and 53,192.68 is: 79,791.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,089.11 : 198,140.15 = 53,192.68 : x
  2. Step 2: Convert to fraction form
    132,089.11/198,140.15 = 53,192.68/x
  3. Step 3: Cross multiply
    132,089.11x = 198,140.15 × 53,192.68
  4. Step 4: Simplify right side
    132,089.11x = 10,539,605,328.14
  5. Step 5: Solve for x
    x = 10,539,605,328.14/132,089.11
  6. Step 6: Final answer
    x = 79,791.63

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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.