Home / 263,013.58-394,578.69-76,010.86

Finding the Fourth Proportional to 263,013.58, 394,578.69 and 76,010.86

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Solution

The fourth proportional to 263,013.58, 394,578.69 and 76,010.86 is: 114,033.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,013.58 : 394,578.69 = 76,010.86 : x
  2. Step 2: Convert to fraction form
    263,013.58/394,578.69 = 76,010.86/x
  3. Step 3: Cross multiply
    263,013.58x = 394,578.69 × 76,010.86
  4. Step 4: Simplify right side
    263,013.58x = 29,992,265,564.57
  5. Step 5: Solve for x
    x = 29,992,265,564.57/263,013.58
  6. Step 6: Final answer
    x = 114,033.14

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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.