Home / 129,309.88-193,964.82-35,815.62

Finding the Fourth Proportional to 129,309.88, 193,964.82 and 35,815.62

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Solution

The fourth proportional to 129,309.88, 193,964.82 and 35,815.62 is: 53,723.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,309.88 : 193,964.82 = 35,815.62 : x
  2. Step 2: Convert to fraction form
    129,309.88/193,964.82 = 35,815.62/x
  3. Step 3: Cross multiply
    129,309.88x = 193,964.82 × 35,815.62
  4. Step 4: Simplify right side
    129,309.88x = 6,946,970,286.49
  5. Step 5: Solve for x
    x = 6,946,970,286.49/129,309.88
  6. Step 6: Final answer
    x = 53,723.43

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Similar ratio
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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.