Home / 141,081.12-194,684.19-77,413.89

Finding the Fourth Proportional to 141,081.12, 194,684.19 and 77,413.89

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Solution

The fourth proportional to 141,081.12, 194,684.19 and 77,413.89 is: 106,826.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,081.12 : 194,684.19 = 77,413.89 : x
  2. Step 2: Convert to fraction form
    141,081.12/194,684.19 = 77,413.89/x
  3. Step 3: Cross multiply
    141,081.12x = 194,684.19 × 77,413.89
  4. Step 4: Simplify right side
    141,081.12x = 15,071,260,469.40
  5. Step 5: Solve for x
    x = 15,071,260,469.40/141,081.12
  6. Step 6: Final answer
    x = 106,826.91

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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.