Home / 140,881.18-194,435.96-87,183.49

Finding the Fourth Proportional to 140,881.18, 194,435.96 and 87,183.49

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Solution

The fourth proportional to 140,881.18, 194,435.96 and 87,183.49 is: 120,325.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,881.18 : 194,435.96 = 87,183.49 : x
  2. Step 2: Convert to fraction form
    140,881.18/194,435.96 = 87,183.49/x
  3. Step 3: Cross multiply
    140,881.18x = 194,435.96 × 87,183.49
  4. Step 4: Simplify right side
    140,881.18x = 16,951,605,574.30
  5. Step 5: Solve for x
    x = 16,951,605,574.30/140,881.18
  6. Step 6: Final answer
    x = 120,325.55

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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.