Home / 299,895.62-449,922.20-107,789.45

Finding the Fourth Proportional to 299,895.62, 449,922.20 and 107,789.45

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Solution

The fourth proportional to 299,895.62, 449,922.20 and 107,789.45 is: 161,712.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,895.62 : 449,922.20 = 107,789.45 : x
  2. Step 2: Convert to fraction form
    299,895.62/449,922.20 = 107,789.45/x
  3. Step 3: Cross multiply
    299,895.62x = 449,922.20 × 107,789.45
  4. Step 4: Simplify right side
    299,895.62x = 48,496,863,692.23
  5. Step 5: Solve for x
    x = 48,496,863,692.23/299,895.62
  6. Step 6: Final answer
    x = 161,712.48

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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.