Home / 194,816.68-268,844.40-108,777

Finding the Fourth Proportional to 194,816.68, 268,844.40 and 108,777

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Solution

The fourth proportional to 194,816.68, 268,844.40 and 108,777 is: 150,110.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,816.68 : 268,844.40 = 108,777 : x
  2. Step 2: Convert to fraction form
    194,816.68/268,844.40 = 108,777/x
  3. Step 3: Cross multiply
    194,816.68x = 268,844.40 × 108,777
  4. Step 4: Simplify right side
    194,816.68x = 29,244,087,298.80
  5. Step 5: Solve for x
    x = 29,244,087,298.80/194,816.68
  6. Step 6: Final answer
    x = 150,110.80

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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.