Home / 199,261.50-274,980.62-108,617.64

Finding the Fourth Proportional to 199,261.50, 274,980.62 and 108,617.64

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Solution

The fourth proportional to 199,261.50, 274,980.62 and 108,617.64 is: 149,892.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,261.50 : 274,980.62 = 108,617.64 : x
  2. Step 2: Convert to fraction form
    199,261.50/274,980.62 = 108,617.64/x
  3. Step 3: Cross multiply
    199,261.50x = 274,980.62 × 108,617.64
  4. Step 4: Simplify right side
    199,261.50x = 29,867,745,990.14
  5. Step 5: Solve for x
    x = 29,867,745,990.14/199,261.50
  6. Step 6: Final answer
    x = 149,892.21

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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.