Home / 194,742.68-268,757.34-109,828.76

Finding the Fourth Proportional to 194,742.68, 268,757.34 and 109,828.76

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Solution

The fourth proportional to 194,742.68, 268,757.34 and 109,828.76 is: 151,570.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,742.68 : 268,757.34 = 109,828.76 : x
  2. Step 2: Convert to fraction form
    194,742.68/268,757.34 = 109,828.76/x
  3. Step 3: Cross multiply
    194,742.68x = 268,757.34 × 109,828.76
  4. Step 4: Simplify right side
    194,742.68x = 29,517,285,393.10
  5. Step 5: Solve for x
    x = 29,517,285,393.10/194,742.68
  6. Step 6: Final answer
    x = 151,570.71

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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.