Home / 220,826.30-331,232.39-92,810.41

Finding the Fourth Proportional to 220,826.30, 331,232.39 and 92,810.41

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Solution

The fourth proportional to 220,826.30, 331,232.39 and 92,810.41 is: 139,212.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,826.30 : 331,232.39 = 92,810.41 : x
  2. Step 2: Convert to fraction form
    220,826.30/331,232.39 = 92,810.41/x
  3. Step 3: Cross multiply
    220,826.30x = 331,232.39 × 92,810.41
  4. Step 4: Simplify right side
    220,826.30x = 30,741,812,629.05
  5. Step 5: Solve for x
    x = 30,741,812,629.05/220,826.30
  6. Step 6: Final answer
    x = 139,212.64

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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.