Home / 263,079.42-394,677.48-122,761.50

Finding the Fourth Proportional to 263,079.42, 394,677.48 and 122,761.50

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Solution

The fourth proportional to 263,079.42, 394,677.48 and 122,761.50 is: 184,169.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,079.42 : 394,677.48 = 122,761.50 : x
  2. Step 2: Convert to fraction form
    263,079.42/394,677.48 = 122,761.50/x
  3. Step 3: Cross multiply
    263,079.42x = 394,677.48 × 122,761.50
  4. Step 4: Simplify right side
    263,079.42x = 48,451,199,461.02
  5. Step 5: Solve for x
    x = 48,451,199,461.02/263,079.42
  6. Step 6: Final answer
    x = 184,169.48

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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.