Home / 321,217.12-481,902.24-110,856.88

Finding the Fourth Proportional to 321,217.12, 481,902.24 and 110,856.88

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Solution

The fourth proportional to 321,217.12, 481,902.24 and 110,856.88 is: 166,311.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,217.12 : 481,902.24 = 110,856.88 : x
  2. Step 2: Convert to fraction form
    321,217.12/481,902.24 = 110,856.88/x
  3. Step 3: Cross multiply
    321,217.12x = 481,902.24 × 110,856.88
  4. Step 4: Simplify right side
    321,217.12x = 53,422,178,791.41
  5. Step 5: Solve for x
    x = 53,422,178,791.41/321,217.12
  6. Step 6: Final answer
    x = 166,311.74

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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.