Home / 204,229.90-306,346.36-71,109.94

Finding the Fourth Proportional to 204,229.90, 306,346.36 and 71,109.94

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Solution

The fourth proportional to 204,229.90, 306,346.36 and 71,109.94 is: 106,665.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,229.90 : 306,346.36 = 71,109.94 : x
  2. Step 2: Convert to fraction form
    204,229.90/306,346.36 = 71,109.94/x
  3. Step 3: Cross multiply
    204,229.90x = 306,346.36 × 71,109.94
  4. Step 4: Simplify right side
    204,229.90x = 21,784,271,278.82
  5. Step 5: Solve for x
    x = 21,784,271,278.82/204,229.90
  6. Step 6: Final answer
    x = 106,665.44

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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.