Home / 263,382.24-394,297.80-163,220.52

Finding the Fourth Proportional to 263,382.24, 394,297.80 and 163,220.52

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Solution

The fourth proportional to 263,382.24, 394,297.80 and 163,220.52 is: 244,350.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,382.24 : 394,297.80 = 163,220.52 : x
  2. Step 2: Convert to fraction form
    263,382.24/394,297.80 = 163,220.52/x
  3. Step 3: Cross multiply
    263,382.24x = 394,297.80 × 163,220.52
  4. Step 4: Simplify right side
    263,382.24x = 64,357,491,950.86
  5. Step 5: Solve for x
    x = 64,357,491,950.86/263,382.24
  6. Step 6: Final answer
    x = 244,350.16

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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.