Home / 103,540.18-155,274.42-50,201.14

Finding the Fourth Proportional to 103,540.18, 155,274.42 and 50,201.14

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Solution

The fourth proportional to 103,540.18, 155,274.42 and 50,201.14 is: 75,284.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,540.18 : 155,274.42 = 50,201.14 : x
  2. Step 2: Convert to fraction form
    103,540.18/155,274.42 = 50,201.14/x
  3. Step 3: Cross multiply
    103,540.18x = 155,274.42 × 50,201.14
  4. Step 4: Simplify right side
    103,540.18x = 7,794,952,896.84
  5. Step 5: Solve for x
    x = 7,794,952,896.84/103,540.18
  6. Step 6: Final answer
    x = 75,284.33

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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.