Home / 132,149.76-198,568.49-123,511.11

Finding the Fourth Proportional to 132,149.76, 198,568.49 and 123,511.11

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Solution

The fourth proportional to 132,149.76, 198,568.49 and 123,511.11 is: 185,588.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,149.76 : 198,568.49 = 123,511.11 : x
  2. Step 2: Convert to fraction form
    132,149.76/198,568.49 = 123,511.11/x
  3. Step 3: Cross multiply
    132,149.76x = 198,568.49 × 123,511.11
  4. Step 4: Simplify right side
    132,149.76x = 24,525,413,993.37
  5. Step 5: Solve for x
    x = 24,525,413,993.37/132,149.76
  6. Step 6: Final answer
    x = 185,588.03

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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.