Home / 263,011.93-394,517.86-120,976.64

Finding the Fourth Proportional to 263,011.93, 394,517.86 and 120,976.64

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Solution

The fourth proportional to 263,011.93, 394,517.86 and 120,976.64 is: 181,464.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,011.93 : 394,517.86 = 120,976.64 : x
  2. Step 2: Convert to fraction form
    263,011.93/394,517.86 = 120,976.64/x
  3. Step 3: Cross multiply
    263,011.93x = 394,517.86 × 120,976.64
  4. Step 4: Simplify right side
    263,011.93x = 47,727,444,327.20
  5. Step 5: Solve for x
    x = 47,727,444,327.20/263,011.93
  6. Step 6: Final answer
    x = 181,464.94

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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.