Home / 482,942.89-724,414.39-167,399.80

Finding the Fourth Proportional to 482,942.89, 724,414.39 and 167,399.80

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Solution

The fourth proportional to 482,942.89, 724,414.39 and 167,399.80 is: 251,099.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,942.89 : 724,414.39 = 167,399.80 : x
  2. Step 2: Convert to fraction form
    482,942.89/724,414.39 = 167,399.80/x
  3. Step 3: Cross multiply
    482,942.89x = 724,414.39 × 167,399.80
  4. Step 4: Simplify right side
    482,942.89x = 121,266,821,773.59
  5. Step 5: Solve for x
    x = 121,266,821,773.59/482,942.89
  6. Step 6: Final answer
    x = 251,099.71

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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.