Home / 118,942.32-178,413.48-40,049.94

Finding the Fourth Proportional to 118,942.32, 178,413.48 and 40,049.94

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Solution

The fourth proportional to 118,942.32, 178,413.48 and 40,049.94 is: 60,074.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,942.32 : 178,413.48 = 40,049.94 : x
  2. Step 2: Convert to fraction form
    118,942.32/178,413.48 = 40,049.94/x
  3. Step 3: Cross multiply
    118,942.32x = 178,413.48 × 40,049.94
  4. Step 4: Simplify right side
    118,942.32x = 7,145,449,169.19
  5. Step 5: Solve for x
    x = 7,145,449,169.19/118,942.32
  6. Step 6: Final answer
    x = 60,074.91

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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.