Home / 226,412.20-339,618.30-194,919.40

Finding the Fourth Proportional to 226,412.20, 339,618.30 and 194,919.40

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Solution

The fourth proportional to 226,412.20, 339,618.30 and 194,919.40 is: 292,379.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,412.20 : 339,618.30 = 194,919.40 : x
  2. Step 2: Convert to fraction form
    226,412.20/339,618.30 = 194,919.40/x
  3. Step 3: Cross multiply
    226,412.20x = 339,618.30 × 194,919.40
  4. Step 4: Simplify right side
    226,412.20x = 66,198,195,265.02
  5. Step 5: Solve for x
    x = 66,198,195,265.02/226,412.20
  6. Step 6: Final answer
    x = 292,379.10

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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.