Home / 263,162.91-394,810.13-76,174.41

Finding the Fourth Proportional to 263,162.91, 394,810.13 and 76,174.41

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Solution

The fourth proportional to 263,162.91, 394,810.13 and 76,174.41 is: 114,280.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,162.91 : 394,810.13 = 76,174.41 : x
  2. Step 2: Convert to fraction form
    263,162.91/394,810.13 = 76,174.41/x
  3. Step 3: Cross multiply
    263,162.91x = 394,810.13 × 76,174.41
  4. Step 4: Simplify right side
    263,162.91x = 30,074,428,333.90
  5. Step 5: Solve for x
    x = 30,074,428,333.90/263,162.91
  6. Step 6: Final answer
    x = 114,280.65

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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.