Home / 218,174.38-327,157.54-76,002.18

Finding the Fourth Proportional to 218,174.38, 327,157.54 and 76,002.18

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Solution

The fourth proportional to 218,174.38, 327,157.54 and 76,002.18 is: 113,967.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,174.38 : 327,157.54 = 76,002.18 : x
  2. Step 2: Convert to fraction form
    218,174.38/327,157.54 = 76,002.18/x
  3. Step 3: Cross multiply
    218,174.38x = 327,157.54 × 76,002.18
  4. Step 4: Simplify right side
    218,174.38x = 24,864,686,243.44
  5. Step 5: Solve for x
    x = 24,864,686,243.44/218,174.38
  6. Step 6: Final answer
    x = 113,967.03

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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.