Home / 283,764.44-391,609.41-156,439.73

Finding the Fourth Proportional to 283,764.44, 391,609.41 and 156,439.73

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Solution

The fourth proportional to 283,764.44, 391,609.41 and 156,439.73 is: 215,894.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,764.44 : 391,609.41 = 156,439.73 : x
  2. Step 2: Convert to fraction form
    283,764.44/391,609.41 = 156,439.73/x
  3. Step 3: Cross multiply
    283,764.44x = 391,609.41 × 156,439.73
  4. Step 4: Simplify right side
    283,764.44x = 61,263,270,365.86
  5. Step 5: Solve for x
    x = 61,263,270,365.86/283,764.44
  6. Step 6: Final answer
    x = 215,894.81

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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.