Home / 263,012.24-394,647.96-163,146.80

Finding the Fourth Proportional to 263,012.24, 394,647.96 and 163,146.80

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Solution

The fourth proportional to 263,012.24, 394,647.96 and 163,146.80 is: 244,800.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,012.24 : 394,647.96 = 163,146.80 : x
  2. Step 2: Convert to fraction form
    263,012.24/394,647.96 = 163,146.80/x
  3. Step 3: Cross multiply
    263,012.24x = 394,647.96 × 163,146.80
  4. Step 4: Simplify right side
    263,012.24x = 64,385,551,800.53
  5. Step 5: Solve for x
    x = 64,385,551,800.53/263,012.24
  6. Step 6: Final answer
    x = 244,800.59

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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.