Home / 140,906.64-194,458.99-80,496.90

Finding the Fourth Proportional to 140,906.64, 194,458.99 and 80,496.90

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Solution

The fourth proportional to 140,906.64, 194,458.99 and 80,496.90 is: 111,090.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,906.64 : 194,458.99 = 80,496.90 : x
  2. Step 2: Convert to fraction form
    140,906.64/194,458.99 = 80,496.90/x
  3. Step 3: Cross multiply
    140,906.64x = 194,458.99 × 80,496.90
  4. Step 4: Simplify right side
    140,906.64x = 15,653,345,670.89
  5. Step 5: Solve for x
    x = 15,653,345,670.89/140,906.64
  6. Step 6: Final answer
    x = 111,090.19

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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.