Home / 263,141.28-394,770.24-122,823.36

Finding the Fourth Proportional to 263,141.28, 394,770.24 and 122,823.36

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Solution

The fourth proportional to 263,141.28, 394,770.24 and 122,823.36 is: 184,262.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,141.28 : 394,770.24 = 122,823.36 : x
  2. Step 2: Convert to fraction form
    263,141.28/394,770.24 = 122,823.36/x
  3. Step 3: Cross multiply
    263,141.28x = 394,770.24 × 122,823.36
  4. Step 4: Simplify right side
    263,141.28x = 48,487,007,304.81
  5. Step 5: Solve for x
    x = 48,487,007,304.81/263,141.28
  6. Step 6: Final answer
    x = 184,262.26

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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.