Home / 218,575.08-327,632.90-100,149.03

Finding the Fourth Proportional to 218,575.08, 327,632.90 and 100,149.03

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Solution

The fourth proportional to 218,575.08, 327,632.90 and 100,149.03 is: 150,118.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,575.08 : 327,632.90 = 100,149.03 : x
  2. Step 2: Convert to fraction form
    218,575.08/327,632.90 = 100,149.03/x
  3. Step 3: Cross multiply
    218,575.08x = 327,632.90 × 100,149.03
  4. Step 4: Simplify right side
    218,575.08x = 32,812,116,630.34
  5. Step 5: Solve for x
    x = 32,812,116,630.34/218,575.08
  6. Step 6: Final answer
    x = 150,118.29

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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.