Home / 230,972.20-346,199.10-131,180.20

Finding the Fourth Proportional to 230,972.20, 346,199.10 and 131,180.20

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Solution

The fourth proportional to 230,972.20, 346,199.10 and 131,180.20 is: 196,623.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,972.20 : 346,199.10 = 131,180.20 : x
  2. Step 2: Convert to fraction form
    230,972.20/346,199.10 = 131,180.20/x
  3. Step 3: Cross multiply
    230,972.20x = 346,199.10 × 131,180.20
  4. Step 4: Simplify right side
    230,972.20x = 45,414,467,177.82
  5. Step 5: Solve for x
    x = 45,414,467,177.82/230,972.20
  6. Step 6: Final answer
    x = 196,623.09

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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.