Home / 351,789.76-485,479.20-200,883.52

Finding the Fourth Proportional to 351,789.76, 485,479.20 and 200,883.52

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Solution

The fourth proportional to 351,789.76, 485,479.20 and 200,883.52 is: 277,224.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,789.76 : 485,479.20 = 200,883.52 : x
  2. Step 2: Convert to fraction form
    351,789.76/485,479.20 = 200,883.52/x
  3. Step 3: Cross multiply
    351,789.76x = 485,479.20 × 200,883.52
  4. Step 4: Simplify right side
    351,789.76x = 97,524,770,582.78
  5. Step 5: Solve for x
    x = 97,524,770,582.78/351,789.76
  6. Step 6: Final answer
    x = 277,224.59

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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.