Home / 275,260.92-379,939.32-178,461.24

Finding the Fourth Proportional to 275,260.92, 379,939.32 and 178,461.24

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Solution

The fourth proportional to 275,260.92, 379,939.32 and 178,461.24 is: 246,327.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,260.92 : 379,939.32 = 178,461.24 : x
  2. Step 2: Convert to fraction form
    275,260.92/379,939.32 = 178,461.24/x
  3. Step 3: Cross multiply
    275,260.92x = 379,939.32 × 178,461.24
  4. Step 4: Simplify right side
    275,260.92x = 67,804,442,171.96
  5. Step 5: Solve for x
    x = 67,804,442,171.96/275,260.92
  6. Step 6: Final answer
    x = 246,327.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.