Home / 356,310.60-491,708.52-195,175.68

Finding the Fourth Proportional to 356,310.60, 491,708.52 and 195,175.68

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Solution

The fourth proportional to 356,310.60, 491,708.52 and 195,175.68 is: 269,342.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,310.60 : 491,708.52 = 195,175.68 : x
  2. Step 2: Convert to fraction form
    356,310.60/491,708.52 = 195,175.68/x
  3. Step 3: Cross multiply
    356,310.60x = 491,708.52 × 195,175.68
  4. Step 4: Simplify right side
    356,310.60x = 95,969,544,752.79
  5. Step 5: Solve for x
    x = 95,969,544,752.79/356,310.60
  6. Step 6: Final answer
    x = 269,342.38

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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.