Home / 198,109.40-273,593.70-185,413.86

Finding the Fourth Proportional to 198,109.40, 273,593.70 and 185,413.86

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Solution

The fourth proportional to 198,109.40, 273,593.70 and 185,413.86 is: 256,060.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,109.40 : 273,593.70 = 185,413.86 : x
  2. Step 2: Convert to fraction form
    198,109.40/273,593.70 = 185,413.86/x
  3. Step 3: Cross multiply
    198,109.40x = 273,593.70 × 185,413.86
  4. Step 4: Simplify right side
    198,109.40x = 50,728,063,988.68
  5. Step 5: Solve for x
    x = 50,728,063,988.68/198,109.40
  6. Step 6: Final answer
    x = 256,060.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.