Home / 396,985.14-595,142.97-172,176.25

Finding the Fourth Proportional to 396,985.14, 595,142.97 and 172,176.25

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Solution

The fourth proportional to 396,985.14, 595,142.97 and 172,176.25 is: 258,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,985.14 : 595,142.97 = 172,176.25 : x
  2. Step 2: Convert to fraction form
    396,985.14/595,142.97 = 172,176.25/x
  3. Step 3: Cross multiply
    396,985.14x = 595,142.97 × 172,176.25
  4. Step 4: Simplify right side
    396,985.14x = 102,469,484,788.46
  5. Step 5: Solve for x
    x = 102,469,484,788.46/396,985.14
  6. Step 6: Final answer
    x = 258,119.20

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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.