Home / 299,845.80-449,846.53-89,483.74

Finding the Fourth Proportional to 299,845.80, 449,846.53 and 89,483.74

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Solution

The fourth proportional to 299,845.80, 449,846.53 and 89,483.74 is: 134,248.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,845.80 : 449,846.53 = 89,483.74 : x
  2. Step 2: Convert to fraction form
    299,845.80/449,846.53 = 89,483.74/x
  3. Step 3: Cross multiply
    299,845.80x = 449,846.53 × 89,483.74
  4. Step 4: Simplify right side
    299,845.80x = 40,253,948,582.10
  5. Step 5: Solve for x
    x = 40,253,948,582.10/299,845.80
  6. Step 6: Final answer
    x = 134,248.83

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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.