Home / 204,139.22-306,241.68-71,057.30

Finding the Fourth Proportional to 204,139.22, 306,241.68 and 71,057.30

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Solution

The fourth proportional to 204,139.22, 306,241.68 and 71,057.30 is: 106,597.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,139.22 : 306,241.68 = 71,057.30 : x
  2. Step 2: Convert to fraction form
    204,139.22/306,241.68 = 71,057.30/x
  3. Step 3: Cross multiply
    204,139.22x = 306,241.68 × 71,057.30
  4. Step 4: Simplify right side
    204,139.22x = 21,760,706,928.26
  5. Step 5: Solve for x
    x = 21,760,706,928.26/204,139.22
  6. Step 6: Final answer
    x = 106,597.38

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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.