Home / 217,898.17-326,945.84-111,227.04

Finding the Fourth Proportional to 217,898.17, 326,945.84 and 111,227.04

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Solution

The fourth proportional to 217,898.17, 326,945.84 and 111,227.04 is: 166,890.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,898.17 : 326,945.84 = 111,227.04 : x
  2. Step 2: Convert to fraction form
    217,898.17/326,945.84 = 111,227.04/x
  3. Step 3: Cross multiply
    217,898.17x = 326,945.84 × 111,227.04
  4. Step 4: Simplify right side
    217,898.17x = 36,365,217,467.38
  5. Step 5: Solve for x
    x = 36,365,217,467.38/217,898.17
  6. Step 6: Final answer
    x = 166,890.88

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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.