Home / 263,013.12-394,675.20-96,917.76

Finding the Fourth Proportional to 263,013.12, 394,675.20 and 96,917.76

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Solution

The fourth proportional to 263,013.12, 394,675.20 and 96,917.76 is: 145,433.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,013.12 : 394,675.20 = 96,917.76 : x
  2. Step 2: Convert to fraction form
    263,013.12/394,675.20 = 96,917.76/x
  3. Step 3: Cross multiply
    263,013.12x = 394,675.20 × 96,917.76
  4. Step 4: Simplify right side
    263,013.12x = 38,251,036,311.55
  5. Step 5: Solve for x
    x = 38,251,036,311.55/263,013.12
  6. Step 6: Final answer
    x = 145,433.95

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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.