Home / 281,914.27-422,826.43-82,187.97

Finding the Fourth Proportional to 281,914.27, 422,826.43 and 82,187.97

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Solution

The fourth proportional to 281,914.27, 422,826.43 and 82,187.97 is: 123,268.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,914.27 : 422,826.43 = 82,187.97 : x
  2. Step 2: Convert to fraction form
    281,914.27/422,826.43 = 82,187.97/x
  3. Step 3: Cross multiply
    281,914.27x = 422,826.43 × 82,187.97
  4. Step 4: Simplify right side
    281,914.27x = 34,751,244,307.08
  5. Step 5: Solve for x
    x = 34,751,244,307.08/281,914.27
  6. Step 6: Final answer
    x = 123,268.84

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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.