Home / 204,206.47-306,311.22-71,086.41

Finding the Fourth Proportional to 204,206.47, 306,311.22 and 71,086.41

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Solution

The fourth proportional to 204,206.47, 306,311.22 and 71,086.41 is: 106,630.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,206.47 : 306,311.22 = 71,086.41 : x
  2. Step 2: Convert to fraction form
    204,206.47/306,311.22 = 71,086.41/x
  3. Step 3: Cross multiply
    204,206.47x = 306,311.22 × 71,086.41
  4. Step 4: Simplify right side
    204,206.47x = 21,774,564,972.52
  5. Step 5: Solve for x
    x = 21,774,564,972.52/204,206.47
  6. Step 6: Final answer
    x = 106,630.14

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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.