Home / 217,744.20-326,616.33-67,997.31

Finding the Fourth Proportional to 217,744.20, 326,616.33 and 67,997.31

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Solution

The fourth proportional to 217,744.20, 326,616.33 and 67,997.31 is: 101,995.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,744.20 : 326,616.33 = 67,997.31 : x
  2. Step 2: Convert to fraction form
    217,744.20/326,616.33 = 67,997.31/x
  3. Step 3: Cross multiply
    217,744.20x = 326,616.33 × 67,997.31
  4. Step 4: Simplify right side
    217,744.20x = 22,209,031,842.07
  5. Step 5: Solve for x
    x = 22,209,031,842.07/217,744.20
  6. Step 6: Final answer
    x = 101,995.97

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1.5x scale

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.