Home / 275,137.38-379,528.26-173,000.94

Finding the Fourth Proportional to 275,137.38, 379,528.26 and 173,000.94

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Solution

The fourth proportional to 275,137.38, 379,528.26 and 173,000.94 is: 238,639.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,137.38 : 379,528.26 = 173,000.94 : x
  2. Step 2: Convert to fraction form
    275,137.38/379,528.26 = 173,000.94/x
  3. Step 3: Cross multiply
    275,137.38x = 379,528.26 × 173,000.94
  4. Step 4: Simplify right side
    275,137.38x = 65,658,745,736.56
  5. Step 5: Solve for x
    x = 65,658,745,736.56/275,137.38
  6. Step 6: Final answer
    x = 238,639.86

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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.