Home / 204,113.49-306,309.56-70,992.42

Finding the Fourth Proportional to 204,113.49, 306,309.56 and 70,992.42

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Solution

The fourth proportional to 204,113.49, 306,309.56 and 70,992.42 is: 106,537.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,113.49 : 306,309.56 = 70,992.42 : x
  2. Step 2: Convert to fraction form
    204,113.49/306,309.56 = 70,992.42/x
  3. Step 3: Cross multiply
    204,113.49x = 306,309.56 × 70,992.42
  4. Step 4: Simplify right side
    204,113.49x = 21,745,656,578.57
  5. Step 5: Solve for x
    x = 21,745,656,578.57/204,113.49
  6. Step 6: Final answer
    x = 106,537.09

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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.