Home / 263,205.76-394,983.60-122,975.32

Finding the Fourth Proportional to 263,205.76, 394,983.60 and 122,975.32

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Solution

The fourth proportional to 263,205.76, 394,983.60 and 122,975.32 is: 184,544.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,205.76 : 394,983.60 = 122,975.32 : x
  2. Step 2: Convert to fraction form
    263,205.76/394,983.60 = 122,975.32/x
  3. Step 3: Cross multiply
    263,205.76x = 394,983.60 × 122,975.32
  4. Step 4: Simplify right side
    263,205.76x = 48,573,234,604.75
  5. Step 5: Solve for x
    x = 48,573,234,604.75/263,205.76
  6. Step 6: Final answer
    x = 184,544.73

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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.