Home / 263,199.72-394,793.10-123,115.08

Finding the Fourth Proportional to 263,199.72, 394,793.10 and 123,115.08

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Solution

The fourth proportional to 263,199.72, 394,793.10 and 123,115.08 is: 184,669.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,199.72 : 394,793.10 = 123,115.08 : x
  2. Step 2: Convert to fraction form
    263,199.72/394,793.10 = 123,115.08/x
  3. Step 3: Cross multiply
    263,199.72x = 394,793.10 × 123,115.08
  4. Step 4: Simplify right side
    263,199.72x = 48,604,984,089.95
  5. Step 5: Solve for x
    x = 48,604,984,089.95/263,199.72
  6. Step 6: Final answer
    x = 184,669.59

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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.