Home / 217,972.14-327,055.22-111,299.74

Finding the Fourth Proportional to 217,972.14, 327,055.22 and 111,299.74

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Solution

The fourth proportional to 217,972.14, 327,055.22 and 111,299.74 is: 166,999.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,972.14 : 327,055.22 = 111,299.74 : x
  2. Step 2: Convert to fraction form
    217,972.14/327,055.22 = 111,299.74/x
  3. Step 3: Cross multiply
    217,972.14x = 327,055.22 × 111,299.74
  4. Step 4: Simplify right side
    217,972.14x = 36,401,160,951.64
  5. Step 5: Solve for x
    x = 36,401,160,951.64/217,972.14
  6. Step 6: Final answer
    x = 166,999.14

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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.