Home / 204,110.49-306,305.06-70,989.42

Finding the Fourth Proportional to 204,110.49, 306,305.06 and 70,989.42

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Solution

The fourth proportional to 204,110.49, 306,305.06 and 70,989.42 is: 106,532.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,110.49 : 306,305.06 = 70,989.42 : x
  2. Step 2: Convert to fraction form
    204,110.49/306,305.06 = 70,989.42/x
  3. Step 3: Cross multiply
    204,110.49x = 306,305.06 × 70,989.42
  4. Step 4: Simplify right side
    204,110.49x = 21,744,418,197.52
  5. Step 5: Solve for x
    x = 21,744,418,197.52/204,110.49
  6. Step 6: Final answer
    x = 106,532.59

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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.