Home / 234,213.20-351,122.92-189,729.64

Finding the Fourth Proportional to 234,213.20, 351,122.92 and 189,729.64

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Solution

The fourth proportional to 234,213.20, 351,122.92 and 189,729.64 is: 284,434.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,213.20 : 351,122.92 = 189,729.64 : x
  2. Step 2: Convert to fraction form
    234,213.20/351,122.92 = 189,729.64/x
  3. Step 3: Cross multiply
    234,213.20x = 351,122.92 × 189,729.64
  4. Step 4: Simplify right side
    234,213.20x = 66,618,425,207.35
  5. Step 5: Solve for x
    x = 66,618,425,207.35/234,213.20
  6. Step 6: Final answer
    x = 284,434.97

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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.