Home / 140,881.19-194,435.97-87,183.50

Finding the Fourth Proportional to 140,881.19, 194,435.97 and 87,183.50

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Solution

The fourth proportional to 140,881.19, 194,435.97 and 87,183.50 is: 120,325.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,881.19 : 194,435.97 = 87,183.50 : x
  2. Step 2: Convert to fraction form
    140,881.19/194,435.97 = 87,183.50/x
  3. Step 3: Cross multiply
    140,881.19x = 194,435.97 × 87,183.50
  4. Step 4: Simplify right side
    140,881.19x = 16,951,606,982.40
  5. Step 5: Solve for x
    x = 16,951,606,982.40/140,881.19
  6. Step 6: Final answer
    x = 120,325.56

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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.