Home / 232,961.65-320,693.72-172,418.20

Finding the Fourth Proportional to 232,961.65, 320,693.72 and 172,418.20

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Solution

The fourth proportional to 232,961.65, 320,693.72 and 172,418.20 is: 237,349.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,961.65 : 320,693.72 = 172,418.20 : x
  2. Step 2: Convert to fraction form
    232,961.65/320,693.72 = 172,418.20/x
  3. Step 3: Cross multiply
    232,961.65x = 320,693.72 × 172,418.20
  4. Step 4: Simplify right side
    232,961.65x = 55,293,432,289.88
  5. Step 5: Solve for x
    x = 55,293,432,289.88/232,961.65
  6. Step 6: Final answer
    x = 237,349.94

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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.