Home / 218,576.08-327,634.39-100,150.03

Finding the Fourth Proportional to 218,576.08, 327,634.39 and 100,150.03

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Solution

The fourth proportional to 218,576.08, 327,634.39 and 100,150.03 is: 150,119.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,576.08 : 327,634.39 = 100,150.03 : x
  2. Step 2: Convert to fraction form
    218,576.08/327,634.39 = 100,150.03/x
  3. Step 3: Cross multiply
    218,576.08x = 327,634.39 × 100,150.03
  4. Step 4: Simplify right side
    218,576.08x = 32,812,593,987.53
  5. Step 5: Solve for x
    x = 32,812,593,987.53/218,576.08
  6. Step 6: Final answer
    x = 150,119.78

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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.