Home / 194,665.68-268,646.22-109,785.78

Finding the Fourth Proportional to 194,665.68, 268,646.22 and 109,785.78

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Solution

The fourth proportional to 194,665.68, 268,646.22 and 109,785.78 is: 151,508.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,665.68 : 268,646.22 = 109,785.78 : x
  2. Step 2: Convert to fraction form
    194,665.68/268,646.22 = 109,785.78/x
  3. Step 3: Cross multiply
    194,665.68x = 268,646.22 × 109,785.78
  4. Step 4: Simplify right side
    194,665.68x = 29,493,534,806.75
  5. Step 5: Solve for x
    x = 29,493,534,806.75/194,665.68
  6. Step 6: Final answer
    x = 151,508.65

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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.