Home / 140,880.80-194,435.43-87,183.13

Finding the Fourth Proportional to 140,880.80, 194,435.43 and 87,183.13

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Solution

The fourth proportional to 140,880.80, 194,435.43 and 87,183.13 is: 120,325.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,880.80 : 194,435.43 = 87,183.13 : x
  2. Step 2: Convert to fraction form
    140,880.80/194,435.43 = 87,183.13/x
  3. Step 3: Cross multiply
    140,880.80x = 194,435.43 × 87,183.13
  4. Step 4: Simplify right side
    140,880.80x = 16,951,489,370.30
  5. Step 5: Solve for x
    x = 16,951,489,370.30/140,880.80
  6. Step 6: Final answer
    x = 120,325.05

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1.5x scale

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.