Home / 193,745.32-290,524.38-81,393.64

Finding the Fourth Proportional to 193,745.32, 290,524.38 and 81,393.64

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Solution

The fourth proportional to 193,745.32, 290,524.38 and 81,393.64 is: 122,051.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,745.32 : 290,524.38 = 81,393.64 : x
  2. Step 2: Convert to fraction form
    193,745.32/290,524.38 = 81,393.64/x
  3. Step 3: Cross multiply
    193,745.32x = 290,524.38 × 81,393.64
  4. Step 4: Simplify right side
    193,745.32x = 23,646,836,796.94
  5. Step 5: Solve for x
    x = 23,646,836,796.94/193,745.32
  6. Step 6: Final answer
    x = 122,051.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.