Home / 263,014.33-394,579.82-76,011.61

Finding the Fourth Proportional to 263,014.33, 394,579.82 and 76,011.61

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Solution

The fourth proportional to 263,014.33, 394,579.82 and 76,011.61 is: 114,034.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,014.33 : 394,579.82 = 76,011.61 : x
  2. Step 2: Convert to fraction form
    263,014.33/394,579.82 = 76,011.61/x
  3. Step 3: Cross multiply
    263,014.33x = 394,579.82 × 76,011.61
  4. Step 4: Simplify right side
    263,014.33x = 29,992,647,391.71
  5. Step 5: Solve for x
    x = 29,992,647,391.71/263,014.33
  6. Step 6: Final answer
    x = 114,034.27

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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.