Home / 193,516.20-290,252.52-67,133.16

Finding the Fourth Proportional to 193,516.20, 290,252.52 and 67,133.16

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Solution

The fourth proportional to 193,516.20, 290,252.52 and 67,133.16 is: 100,692.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,516.20 : 290,252.52 = 67,133.16 : x
  2. Step 2: Convert to fraction form
    193,516.20/290,252.52 = 67,133.16/x
  3. Step 3: Cross multiply
    193,516.20x = 290,252.52 × 67,133.16
  4. Step 4: Simplify right side
    193,516.20x = 19,485,568,865.56
  5. Step 5: Solve for x
    x = 19,485,568,865.56/193,516.20
  6. Step 6: Final answer
    x = 100,692.18

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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.