Home / 201,634.20-302,452.16-81,693.49

Finding the Fourth Proportional to 201,634.20, 302,452.16 and 81,693.49

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Solution

The fourth proportional to 201,634.20, 302,452.16 and 81,693.49 is: 122,540.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,634.20 : 302,452.16 = 81,693.49 : x
  2. Step 2: Convert to fraction form
    201,634.20/302,452.16 = 81,693.49/x
  3. Step 3: Cross multiply
    201,634.20x = 302,452.16 × 81,693.49
  4. Step 4: Simplify right side
    201,634.20x = 24,708,372,508.44
  5. Step 5: Solve for x
    x = 24,708,372,508.44/201,634.20
  6. Step 6: Final answer
    x = 122,540.58

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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.