Home / 148,578.40-222,565.20-92,245.60

Finding the Fourth Proportional to 148,578.40, 222,565.20 and 92,245.60

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Solution

The fourth proportional to 148,578.40, 222,565.20 and 92,245.60 is: 138,180.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,578.40 : 222,565.20 = 92,245.60 : x
  2. Step 2: Convert to fraction form
    148,578.40/222,565.20 = 92,245.60/x
  3. Step 3: Cross multiply
    148,578.40x = 222,565.20 × 92,245.60
  4. Step 4: Simplify right side
    148,578.40x = 20,530,660,413.12
  5. Step 5: Solve for x
    x = 20,530,660,413.12/148,578.40
  6. Step 6: Final answer
    x = 138,180.65

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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.