Home / 226,388.18-339,138.56-131,419.23

Finding the Fourth Proportional to 226,388.18, 339,138.56 and 131,419.23

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Solution

The fourth proportional to 226,388.18, 339,138.56 and 131,419.23 is: 196,871.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,388.18 : 339,138.56 = 131,419.23 : x
  2. Step 2: Convert to fraction form
    226,388.18/339,138.56 = 131,419.23/x
  3. Step 3: Cross multiply
    226,388.18x = 339,138.56 × 131,419.23
  4. Step 4: Simplify right side
    226,388.18x = 44,569,327,761.41
  5. Step 5: Solve for x
    x = 44,569,327,761.41/226,388.18
  6. Step 6: Final answer
    x = 196,871.27

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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.