Home / 297,621.82-410,721.13-161,658.43

Finding the Fourth Proportional to 297,621.82, 410,721.13 and 161,658.43

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Solution

The fourth proportional to 297,621.82, 410,721.13 and 161,658.43 is: 223,090.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,621.82 : 410,721.13 = 161,658.43 : x
  2. Step 2: Convert to fraction form
    297,621.82/410,721.13 = 161,658.43/x
  3. Step 3: Cross multiply
    297,621.82x = 410,721.13 × 161,658.43
  4. Step 4: Simplify right side
    297,621.82x = 66,396,530,990.02
  5. Step 5: Solve for x
    x = 66,396,530,990.02/297,621.82
  6. Step 6: Final answer
    x = 223,090.27

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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.