Home / 141,413.92-195,149.46-77,751.16

Finding the Fourth Proportional to 141,413.92, 195,149.46 and 77,751.16

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Solution

The fourth proportional to 141,413.92, 195,149.46 and 77,751.16 is: 107,295.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,413.92 : 195,149.46 = 77,751.16 : x
  2. Step 2: Convert to fraction form
    141,413.92/195,149.46 = 77,751.16/x
  3. Step 3: Cross multiply
    141,413.92x = 195,149.46 × 77,751.16
  4. Step 4: Simplify right side
    141,413.92x = 15,173,096,888.37
  5. Step 5: Solve for x
    x = 15,173,096,888.37/141,413.92
  6. Step 6: Final answer
    x = 107,295.64

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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.