Home / 263,260.56-394,744.96-122,942.64

Finding the Fourth Proportional to 263,260.56, 394,744.96 and 122,942.64

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Solution

The fourth proportional to 263,260.56, 394,744.96 and 122,942.64 is: 184,345.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,260.56 : 394,744.96 = 122,942.64 : x
  2. Step 2: Convert to fraction form
    263,260.56/394,744.96 = 122,942.64/x
  3. Step 3: Cross multiply
    263,260.56x = 394,744.96 × 122,942.64
  4. Step 4: Simplify right side
    263,260.56x = 48,530,987,509.09
  5. Step 5: Solve for x
    x = 48,530,987,509.09/263,260.56
  6. Step 6: Final answer
    x = 184,345.83

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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.