Home / 445,046.82-667,413.09-192,317.10

Finding the Fourth Proportional to 445,046.82, 667,413.09 and 192,317.10

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Solution

The fourth proportional to 445,046.82, 667,413.09 and 192,317.10 is: 288,407.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,046.82 : 667,413.09 = 192,317.10 : x
  2. Step 2: Convert to fraction form
    445,046.82/667,413.09 = 192,317.10/x
  3. Step 3: Cross multiply
    445,046.82x = 667,413.09 × 192,317.10
  4. Step 4: Simplify right side
    445,046.82x = 128,354,949,970.84
  5. Step 5: Solve for x
    x = 128,354,949,970.84/445,046.82
  6. Step 6: Final answer
    x = 288,407.75

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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.