Home / 299,454.04-449,122.20-89,045.20

Finding the Fourth Proportional to 299,454.04, 449,122.20 and 89,045.20

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Solution

The fourth proportional to 299,454.04, 449,122.20 and 89,045.20 is: 133,550.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,454.04 : 449,122.20 = 89,045.20 : x
  2. Step 2: Convert to fraction form
    299,454.04/449,122.20 = 89,045.20/x
  3. Step 3: Cross multiply
    299,454.04x = 449,122.20 × 89,045.20
  4. Step 4: Simplify right side
    299,454.04x = 39,992,176,123.44
  5. Step 5: Solve for x
    x = 39,992,176,123.44/299,454.04
  6. Step 6: Final answer
    x = 133,550.30

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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.