Home / 263,704.50-363,912.62-142,846.79

Finding the Fourth Proportional to 263,704.50, 363,912.62 and 142,846.79

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Solution

The fourth proportional to 263,704.50, 363,912.62 and 142,846.79 is: 197,128.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,704.50 : 363,912.62 = 142,846.79 : x
  2. Step 2: Convert to fraction form
    263,704.50/363,912.62 = 142,846.79/x
  3. Step 3: Cross multiply
    263,704.50x = 363,912.62 × 142,846.79
  4. Step 4: Simplify right side
    263,704.50x = 51,983,747,073.69
  5. Step 5: Solve for x
    x = 51,983,747,073.69/263,704.50
  6. Step 6: Final answer
    x = 197,128.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.