Home / 218,173.38-327,156.05-76,001.18

Finding the Fourth Proportional to 218,173.38, 327,156.05 and 76,001.18

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Solution

The fourth proportional to 218,173.38, 327,156.05 and 76,001.18 is: 113,965.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,173.38 : 327,156.05 = 76,001.18 : x
  2. Step 2: Convert to fraction form
    218,173.38/327,156.05 = 76,001.18/x
  3. Step 3: Cross multiply
    218,173.38x = 327,156.05 × 76,001.18
  4. Step 4: Simplify right side
    218,173.38x = 24,864,243,828.35
  5. Step 5: Solve for x
    x = 24,864,243,828.35/218,173.38
  6. Step 6: Final answer
    x = 113,965.53

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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.