Home / 263,013.33-394,578.32-76,010.61

Finding the Fourth Proportional to 263,013.33, 394,578.32 and 76,010.61

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Solution

The fourth proportional to 263,013.33, 394,578.32 and 76,010.61 is: 114,032.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,013.33 : 394,578.32 = 76,010.61 : x
  2. Step 2: Convert to fraction form
    263,013.33/394,578.32 = 76,010.61/x
  3. Step 3: Cross multiply
    263,013.33x = 394,578.32 × 76,010.61
  4. Step 4: Simplify right side
    263,013.33x = 29,992,138,415.92
  5. Step 5: Solve for x
    x = 29,992,138,415.92/263,013.33
  6. Step 6: Final answer
    x = 114,032.77

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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.