Home / 132,971.11-199,413.36-44,200.78

Finding the Fourth Proportional to 132,971.11, 199,413.36 and 44,200.78

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Solution

The fourth proportional to 132,971.11, 199,413.36 and 44,200.78 is: 66,286.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,971.11 : 199,413.36 = 44,200.78 : x
  2. Step 2: Convert to fraction form
    132,971.11/199,413.36 = 44,200.78/x
  3. Step 3: Cross multiply
    132,971.11x = 199,413.36 × 44,200.78
  4. Step 4: Simplify right side
    132,971.11x = 8,814,226,054.42
  5. Step 5: Solve for x
    x = 8,814,226,054.42/132,971.11
  6. Step 6: Final answer
    x = 66,286.78

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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.