Home / 141,120.77-194,736.48-80,693.96

Finding the Fourth Proportional to 141,120.77, 194,736.48 and 80,693.96

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Solution

The fourth proportional to 141,120.77, 194,736.48 and 80,693.96 is: 111,351.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,120.77 : 194,736.48 = 80,693.96 : x
  2. Step 2: Convert to fraction form
    141,120.77/194,736.48 = 80,693.96/x
  3. Step 3: Cross multiply
    141,120.77x = 194,736.48 × 80,693.96
  4. Step 4: Simplify right side
    141,120.77x = 15,714,056,753.98
  5. Step 5: Solve for x
    x = 15,714,056,753.98/141,120.77
  6. Step 6: Final answer
    x = 111,351.84

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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.