Home / 226,541.20-339,725.40-68,717.20

Finding the Fourth Proportional to 226,541.20, 339,725.40 and 68,717.20

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Solution

The fourth proportional to 226,541.20, 339,725.40 and 68,717.20 is: 103,049.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,541.20 : 339,725.40 = 68,717.20 : x
  2. Step 2: Convert to fraction form
    226,541.20/339,725.40 = 68,717.20/x
  3. Step 3: Cross multiply
    226,541.20x = 339,725.40 × 68,717.20
  4. Step 4: Simplify right side
    226,541.20x = 23,344,978,256.88
  5. Step 5: Solve for x
    x = 23,344,978,256.88/226,541.20
  6. Step 6: Final answer
    x = 103,049.59

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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.