Home / 141,413.62-195,146.68-80,165.49

Finding the Fourth Proportional to 141,413.62, 195,146.68 and 80,165.49

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Solution

The fourth proportional to 141,413.62, 195,146.68 and 80,165.49 is: 110,626.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,413.62 : 195,146.68 = 80,165.49 : x
  2. Step 2: Convert to fraction form
    141,413.62/195,146.68 = 80,165.49/x
  3. Step 3: Cross multiply
    141,413.62x = 195,146.68 × 80,165.49
  4. Step 4: Simplify right side
    141,413.62x = 15,644,028,348.55
  5. Step 5: Solve for x
    x = 15,644,028,348.55/141,413.62
  6. Step 6: Final answer
    x = 110,626.04

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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.