Home / 356,326.14-491,730.20-195,183.82

Finding the Fourth Proportional to 356,326.14, 491,730.20 and 195,183.82

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Solution

The fourth proportional to 356,326.14, 491,730.20 and 195,183.82 is: 269,353.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,326.14 : 491,730.20 = 195,183.82 : x
  2. Step 2: Convert to fraction form
    356,326.14/491,730.20 = 195,183.82/x
  3. Step 3: Cross multiply
    356,326.14x = 491,730.20 × 195,183.82
  4. Step 4: Simplify right side
    356,326.14x = 95,977,778,845.36
  5. Step 5: Solve for x
    x = 95,977,778,845.36/356,326.14
  6. Step 6: Final answer
    x = 269,353.74

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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.