Home / 141,413.38-195,150.74-77,751.19

Finding the Fourth Proportional to 141,413.38, 195,150.74 and 77,751.19

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Solution

The fourth proportional to 141,413.38, 195,150.74 and 77,751.19 is: 107,296.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,413.38 : 195,150.74 = 77,751.19 : x
  2. Step 2: Convert to fraction form
    141,413.38/195,150.74 = 77,751.19/x
  3. Step 3: Cross multiply
    141,413.38x = 195,150.74 × 77,751.19
  4. Step 4: Simplify right side
    141,413.38x = 15,173,202,119.56
  5. Step 5: Solve for x
    x = 15,173,202,119.56/141,413.38
  6. Step 6: Final answer
    x = 107,296.79

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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.