Home / 132,180.80-198,229.32-43,413.68

Finding the Fourth Proportional to 132,180.80, 198,229.32 and 43,413.68

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Solution

The fourth proportional to 132,180.80, 198,229.32 and 43,413.68 is: 65,106.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,180.80 : 198,229.32 = 43,413.68 : x
  2. Step 2: Convert to fraction form
    132,180.80/198,229.32 = 43,413.68/x
  3. Step 3: Cross multiply
    132,180.80x = 198,229.32 × 43,413.68
  4. Step 4: Simplify right side
    132,180.80x = 8,605,864,265.10
  5. Step 5: Solve for x
    x = 8,605,864,265.10/132,180.80
  6. Step 6: Final answer
    x = 65,106.76

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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.