Home / 206,336.22-309,402.19-73,196.52

Finding the Fourth Proportional to 206,336.22, 309,402.19 and 73,196.52

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Solution

The fourth proportional to 206,336.22, 309,402.19 and 73,196.52 is: 109,758.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,336.22 : 309,402.19 = 73,196.52 : x
  2. Step 2: Convert to fraction form
    206,336.22/309,402.19 = 73,196.52/x
  3. Step 3: Cross multiply
    206,336.22x = 309,402.19 × 73,196.52
  4. Step 4: Simplify right side
    206,336.22x = 22,647,163,588.38
  5. Step 5: Solve for x
    x = 22,647,163,588.38/206,336.22
  6. Step 6: Final answer
    x = 109,758.55

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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.