Home / 194,540.05-268,465.75-108,504.61

Finding the Fourth Proportional to 194,540.05, 268,465.75 and 108,504.61

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Solution

The fourth proportional to 194,540.05, 268,465.75 and 108,504.61 is: 149,736.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,540.05 : 268,465.75 = 108,504.61 : x
  2. Step 2: Convert to fraction form
    194,540.05/268,465.75 = 108,504.61/x
  3. Step 3: Cross multiply
    194,540.05x = 268,465.75 × 108,504.61
  4. Step 4: Simplify right side
    194,540.05x = 29,129,771,266.50
  5. Step 5: Solve for x
    x = 29,129,771,266.50/194,540.05
  6. Step 6: Final answer
    x = 149,736.63

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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.