Home / 283,586.72-391,377.26-211,842.19

Finding the Fourth Proportional to 283,586.72, 391,377.26 and 211,842.19

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Solution

The fourth proportional to 283,586.72, 391,377.26 and 211,842.19 is: 292,362.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,586.72 : 391,377.26 = 211,842.19 : x
  2. Step 2: Convert to fraction form
    283,586.72/391,377.26 = 211,842.19/x
  3. Step 3: Cross multiply
    283,586.72x = 391,377.26 × 211,842.19
  4. Step 4: Simplify right side
    283,586.72x = 82,910,215,874.60
  5. Step 5: Solve for x
    x = 82,910,215,874.60/283,586.72
  6. Step 6: Final answer
    x = 292,362.83

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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.