Home / 199,413.31-275,191.23-108,771.22

Finding the Fourth Proportional to 199,413.31, 275,191.23 and 108,771.22

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Solution

The fourth proportional to 199,413.31, 275,191.23 and 108,771.22 is: 150,104.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,413.31 : 275,191.23 = 108,771.22 : x
  2. Step 2: Convert to fraction form
    199,413.31/275,191.23 = 108,771.22/x
  3. Step 3: Cross multiply
    199,413.31x = 275,191.23 × 108,771.22
  4. Step 4: Simplify right side
    199,413.31x = 29,932,883,900.59
  5. Step 5: Solve for x
    x = 29,932,883,900.59/199,413.31
  6. Step 6: Final answer
    x = 150,104.75

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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.