Home / 199,183.02-274,872.60-108,539.03

Finding the Fourth Proportional to 199,183.02, 274,872.60 and 108,539.03

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Solution

The fourth proportional to 199,183.02, 274,872.60 and 108,539.03 is: 149,783.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,183.02 : 274,872.60 = 108,539.03 : x
  2. Step 2: Convert to fraction form
    199,183.02/274,872.60 = 108,539.03/x
  3. Step 3: Cross multiply
    199,183.02x = 274,872.60 × 108,539.03
  4. Step 4: Simplify right side
    199,183.02x = 29,834,404,003.22
  5. Step 5: Solve for x
    x = 29,834,404,003.22/199,183.02
  6. Step 6: Final answer
    x = 149,783.87

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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.