Home / 193,404.06-289,542.60-143,704.44

Finding the Fourth Proportional to 193,404.06, 289,542.60 and 143,704.44

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Solution

The fourth proportional to 193,404.06, 289,542.60 and 143,704.44 is: 215,137.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,404.06 : 289,542.60 = 143,704.44 : x
  2. Step 2: Convert to fraction form
    193,404.06/289,542.60 = 143,704.44/x
  3. Step 3: Cross multiply
    193,404.06x = 289,542.60 × 143,704.44
  4. Step 4: Simplify right side
    193,404.06x = 41,608,557,189.14
  5. Step 5: Solve for x
    x = 41,608,557,189.14/193,404.06
  6. Step 6: Final answer
    x = 215,137.97

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1.5x scale

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.