Home / 138,796.45-208,193.96-33,615.41

Finding the Fourth Proportional to 138,796.45, 208,193.96 and 33,615.41

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Solution

The fourth proportional to 138,796.45, 208,193.96 and 33,615.41 is: 50,422.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,796.45 : 208,193.96 = 33,615.41 : x
  2. Step 2: Convert to fraction form
    138,796.45/208,193.96 = 33,615.41/x
  3. Step 3: Cross multiply
    138,796.45x = 208,193.96 × 33,615.41
  4. Step 4: Simplify right side
    138,796.45x = 6,998,524,367.99
  5. Step 5: Solve for x
    x = 6,998,524,367.99/138,796.45
  6. Step 6: Final answer
    x = 50,422.94

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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.