Home / 203,267.22-305,340.78-132,153.28

Finding the Fourth Proportional to 203,267.22, 305,340.78 and 132,153.28

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Solution

The fourth proportional to 203,267.22, 305,340.78 and 132,153.28 is: 198,515.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,267.22 : 305,340.78 = 132,153.28 : x
  2. Step 2: Convert to fraction form
    203,267.22/305,340.78 = 132,153.28/x
  3. Step 3: Cross multiply
    203,267.22x = 305,340.78 × 132,153.28
  4. Step 4: Simplify right side
    203,267.22x = 40,351,785,326.98
  5. Step 5: Solve for x
    x = 40,351,785,326.98/203,267.22
  6. Step 6: Final answer
    x = 198,515.95

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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.