Home / 267,627.87-401,441.94-80,639.37

Finding the Fourth Proportional to 267,627.87, 401,441.94 and 80,639.37

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Solution

The fourth proportional to 267,627.87, 401,441.94 and 80,639.37 is: 120,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,627.87 : 401,441.94 = 80,639.37 : x
  2. Step 2: Convert to fraction form
    267,627.87/401,441.94 = 80,639.37/x
  3. Step 3: Cross multiply
    267,627.87x = 401,441.94 × 80,639.37
  4. Step 4: Simplify right side
    267,627.87x = 32,372,025,133.18
  5. Step 5: Solve for x
    x = 32,372,025,133.18/267,627.87
  6. Step 6: Final answer
    x = 120,959.10

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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.