Home / 296,245.72-408,704.94-205,556.30

Finding the Fourth Proportional to 296,245.72, 408,704.94 and 205,556.30

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Solution

The fourth proportional to 296,245.72, 408,704.94 and 205,556.30 is: 283,588.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,245.72 : 408,704.94 = 205,556.30 : x
  2. Step 2: Convert to fraction form
    296,245.72/408,704.94 = 205,556.30/x
  3. Step 3: Cross multiply
    296,245.72x = 408,704.94 × 205,556.30
  4. Step 4: Simplify right side
    296,245.72x = 84,011,874,958.96
  5. Step 5: Solve for x
    x = 84,011,874,958.96/296,245.72
  6. Step 6: Final answer
    x = 283,588.48

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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.