Home / 263,266.32-394,899.48-123,123.36

Finding the Fourth Proportional to 263,266.32, 394,899.48 and 123,123.36

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Solution

The fourth proportional to 263,266.32, 394,899.48 and 123,123.36 is: 184,685.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,266.32 : 394,899.48 = 123,123.36 : x
  2. Step 2: Convert to fraction form
    263,266.32/394,899.48 = 123,123.36/x
  3. Step 3: Cross multiply
    263,266.32x = 394,899.48 × 123,123.36
  4. Step 4: Simplify right side
    263,266.32x = 48,621,350,839.85
  5. Step 5: Solve for x
    x = 48,621,350,839.85/263,266.32
  6. Step 6: Final answer
    x = 184,685.04

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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.