Home / 218,576.58-327,635.15-100,150.53

Finding the Fourth Proportional to 218,576.58, 327,635.15 and 100,150.53

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Solution

The fourth proportional to 218,576.58, 327,635.15 and 100,150.53 is: 150,120.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,576.58 : 327,635.15 = 100,150.53 : x
  2. Step 2: Convert to fraction form
    218,576.58/327,635.15 = 100,150.53/x
  3. Step 3: Cross multiply
    218,576.58x = 327,635.15 × 100,150.53
  4. Step 4: Simplify right side
    218,576.58x = 32,812,833,418.38
  5. Step 5: Solve for x
    x = 32,812,833,418.38/218,576.58
  6. Step 6: Final answer
    x = 150,120.54

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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.