Home / 263,086.80-394,306.20-178,846.80

Finding the Fourth Proportional to 263,086.80, 394,306.20 and 178,846.80

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Solution

The fourth proportional to 263,086.80, 394,306.20 and 178,846.80 is: 268,049.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,086.80 : 394,306.20 = 178,846.80 : x
  2. Step 2: Convert to fraction form
    263,086.80/394,306.20 = 178,846.80/x
  3. Step 3: Cross multiply
    263,086.80x = 394,306.20 × 178,846.80
  4. Step 4: Simplify right side
    263,086.80x = 70,520,402,090.16
  5. Step 5: Solve for x
    x = 70,520,402,090.16/263,086.80
  6. Step 6: Final answer
    x = 268,049.94

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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.