Home / 281,734.49-422,601.12-71,371.82

Finding the Fourth Proportional to 281,734.49, 422,601.12 and 71,371.82

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Solution

The fourth proportional to 281,734.49, 422,601.12 and 71,371.82 is: 107,057.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,734.49 : 422,601.12 = 71,371.82 : x
  2. Step 2: Convert to fraction form
    281,734.49/422,601.12 = 71,371.82/x
  3. Step 3: Cross multiply
    281,734.49x = 422,601.12 × 71,371.82
  4. Step 4: Simplify right side
    281,734.49x = 30,161,808,955.43
  5. Step 5: Solve for x
    x = 30,161,808,955.43/281,734.49
  6. Step 6: Final answer
    x = 107,057.57

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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.