Home / 301,162.05-415,884.78-193,918.86

Finding the Fourth Proportional to 301,162.05, 415,884.78 and 193,918.86

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Solution

The fourth proportional to 301,162.05, 415,884.78 and 193,918.86 is: 267,789.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,162.05 : 415,884.78 = 193,918.86 : x
  2. Step 2: Convert to fraction form
    301,162.05/415,884.78 = 193,918.86/x
  3. Step 3: Cross multiply
    301,162.05x = 415,884.78 × 193,918.86
  4. Step 4: Simplify right side
    301,162.05x = 80,647,902,428.95
  5. Step 5: Solve for x
    x = 80,647,902,428.95/301,162.05
  6. Step 6: Final answer
    x = 267,789.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.