Home / 199,413.17-275,193.45-108,769.13

Finding the Fourth Proportional to 199,413.17, 275,193.45 and 108,769.13

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Solution

The fourth proportional to 199,413.17, 275,193.45 and 108,769.13 is: 150,103.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,413.17 : 275,193.45 = 108,769.13 : x
  2. Step 2: Convert to fraction form
    199,413.17/275,193.45 = 108,769.13/x
  3. Step 3: Cross multiply
    199,413.17x = 275,193.45 × 108,769.13
  4. Step 4: Simplify right side
    199,413.17x = 29,932,552,138.20
  5. Step 5: Solve for x
    x = 29,932,552,138.20/199,413.17
  6. Step 6: Final answer
    x = 150,103.19

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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.