Home / 204,986.80-307,480.20-116,413.30

Finding the Fourth Proportional to 204,986.80, 307,480.20 and 116,413.30

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Solution

The fourth proportional to 204,986.80, 307,480.20 and 116,413.30 is: 174,619.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,986.80 : 307,480.20 = 116,413.30 : x
  2. Step 2: Convert to fraction form
    204,986.80/307,480.20 = 116,413.30/x
  3. Step 3: Cross multiply
    204,986.80x = 307,480.20 × 116,413.30
  4. Step 4: Simplify right side
    204,986.80x = 35,794,784,766.66
  5. Step 5: Solve for x
    x = 35,794,784,766.66/204,986.80
  6. Step 6: Final answer
    x = 174,619.95

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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.