Home / 267,724.32-401,504.58-90,183.72

Finding the Fourth Proportional to 267,724.32, 401,504.58 and 90,183.72

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Solution

The fourth proportional to 267,724.32, 401,504.58 and 90,183.72 is: 135,247.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,724.32 : 401,504.58 = 90,183.72 : x
  2. Step 2: Convert to fraction form
    267,724.32/401,504.58 = 90,183.72/x
  3. Step 3: Cross multiply
    267,724.32x = 401,504.58 × 90,183.72
  4. Step 4: Simplify right side
    267,724.32x = 36,209,176,621.44
  5. Step 5: Solve for x
    x = 36,209,176,621.44/267,724.32
  6. Step 6: Final answer
    x = 135,247.99

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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.