Home / 299,464.20-449,196.30-89,074.80

Finding the Fourth Proportional to 299,464.20, 449,196.30 and 89,074.80

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Solution

The fourth proportional to 299,464.20, 449,196.30 and 89,074.80 is: 133,612.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,464.20 : 449,196.30 = 89,074.80 : x
  2. Step 2: Convert to fraction form
    299,464.20/449,196.30 = 89,074.80/x
  3. Step 3: Cross multiply
    299,464.20x = 449,196.30 × 89,074.80
  4. Step 4: Simplify right side
    299,464.20x = 40,012,070,583.24
  5. Step 5: Solve for x
    x = 40,012,070,583.24/299,464.20
  6. Step 6: Final answer
    x = 133,612.20

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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.