Home / 218,022.67-327,081.16-66,207.27

Finding the Fourth Proportional to 218,022.67, 327,081.16 and 66,207.27

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Solution

The fourth proportional to 218,022.67, 327,081.16 and 66,207.27 is: 99,325.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,022.67 : 327,081.16 = 66,207.27 : x
  2. Step 2: Convert to fraction form
    218,022.67/327,081.16 = 66,207.27/x
  3. Step 3: Cross multiply
    218,022.67x = 327,081.16 × 66,207.27
  4. Step 4: Simplify right side
    218,022.67x = 21,655,151,981.35
  5. Step 5: Solve for x
    x = 21,655,151,981.35/218,022.67
  6. Step 6: Final answer
    x = 99,325.23

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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.