Home / 120,790.72-181,481.44-114,076.48

Finding the Fourth Proportional to 120,790.72, 181,481.44 and 114,076.48

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Solution

The fourth proportional to 120,790.72, 181,481.44 and 114,076.48 is: 171,393.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,790.72 : 181,481.44 = 114,076.48 : x
  2. Step 2: Convert to fraction form
    120,790.72/181,481.44 = 114,076.48/x
  3. Step 3: Cross multiply
    120,790.72x = 181,481.44 × 114,076.48
  4. Step 4: Simplify right side
    120,790.72x = 20,702,763,860.53
  5. Step 5: Solve for x
    x = 20,702,763,860.53/120,790.72
  6. Step 6: Final answer
    x = 171,393.66

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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.