Home / 269,425.85-403,919.60-100,851.75

Finding the Fourth Proportional to 269,425.85, 403,919.60 and 100,851.75

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Solution

The fourth proportional to 269,425.85, 403,919.60 and 100,851.75 is: 151,195.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,425.85 : 403,919.60 = 100,851.75 : x
  2. Step 2: Convert to fraction form
    269,425.85/403,919.60 = 100,851.75/x
  3. Step 3: Cross multiply
    269,425.85x = 403,919.60 × 100,851.75
  4. Step 4: Simplify right side
    269,425.85x = 40,735,998,015.04
  5. Step 5: Solve for x
    x = 40,735,998,015.04/269,425.85
  6. Step 6: Final answer
    x = 151,195.58

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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.