Home / 140,297.62-193,593.90-79,868.38

Finding the Fourth Proportional to 140,297.62, 193,593.90 and 79,868.38

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Solution

The fourth proportional to 140,297.62, 193,593.90 and 79,868.38 is: 110,208.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,297.62 : 193,593.90 = 79,868.38 : x
  2. Step 2: Convert to fraction form
    140,297.62/193,593.90 = 79,868.38/x
  3. Step 3: Cross multiply
    140,297.62x = 193,593.90 × 79,868.38
  4. Step 4: Simplify right side
    140,297.62x = 15,462,031,170.88
  5. Step 5: Solve for x
    x = 15,462,031,170.88/140,297.62
  6. Step 6: Final answer
    x = 110,208.79

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1.5x scale

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.