Home / 132,529.11-198,792.72-53,642.20

Finding the Fourth Proportional to 132,529.11, 198,792.72 and 53,642.20

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Solution

The fourth proportional to 132,529.11, 198,792.72 and 53,642.20 is: 80,462.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,529.11 : 198,792.72 = 53,642.20 : x
  2. Step 2: Convert to fraction form
    132,529.11/198,792.72 = 53,642.20/x
  3. Step 3: Cross multiply
    132,529.11x = 198,792.72 × 53,642.20
  4. Step 4: Simplify right side
    132,529.11x = 10,663,677,850.82
  5. Step 5: Solve for x
    x = 10,663,677,850.82/132,529.11
  6. Step 6: Final answer
    x = 80,462.91

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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.