Home / 263,254.08-394,923.24-85,747.44

Finding the Fourth Proportional to 263,254.08, 394,923.24 and 85,747.44

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Solution

The fourth proportional to 263,254.08, 394,923.24 and 85,747.44 is: 128,634.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,254.08 : 394,923.24 = 85,747.44 : x
  2. Step 2: Convert to fraction form
    263,254.08/394,923.24 = 85,747.44/x
  3. Step 3: Cross multiply
    263,254.08x = 394,923.24 × 85,747.44
  4. Step 4: Simplify right side
    263,254.08x = 33,863,656,826.51
  5. Step 5: Solve for x
    x = 33,863,656,826.51/263,254.08
  6. Step 6: Final answer
    x = 128,634.88

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1.5x scale

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.