Home / 281,621.56-422,425-94,633.04

Finding the Fourth Proportional to 281,621.56, 422,425 and 94,633.04

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Solution

The fourth proportional to 281,621.56, 422,425 and 94,633.04 is: 141,947.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,621.56 : 422,425 = 94,633.04 : x
  2. Step 2: Convert to fraction form
    281,621.56/422,425 = 94,633.04/x
  3. Step 3: Cross multiply
    281,621.56x = 422,425 × 94,633.04
  4. Step 4: Simplify right side
    281,621.56x = 39,975,361,922
  5. Step 5: Solve for x
    x = 39,975,361,922/281,621.56
  6. Step 6: Final answer
    x = 141,947.09

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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.