Home / 397,024.49-595,201.82-172,215.72

Finding the Fourth Proportional to 397,024.49, 595,201.82 and 172,215.72

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Solution

The fourth proportional to 397,024.49, 595,201.82 and 172,215.72 is: 258,178.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,024.49 : 595,201.82 = 172,215.72 : x
  2. Step 2: Convert to fraction form
    397,024.49/595,201.82 = 172,215.72/x
  3. Step 3: Cross multiply
    397,024.49x = 595,201.82 × 172,215.72
  4. Step 4: Simplify right side
    397,024.49x = 102,503,110,084.25
  5. Step 5: Solve for x
    x = 102,503,110,084.25/397,024.49
  6. Step 6: Final answer
    x = 258,178.31

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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.