Home / 104,238.34-156,379.58-40,198.12

Finding the Fourth Proportional to 104,238.34, 156,379.58 and 40,198.12

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Solution

The fourth proportional to 104,238.34, 156,379.58 and 40,198.12 is: 60,305.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,238.34 : 156,379.58 = 40,198.12 : x
  2. Step 2: Convert to fraction form
    104,238.34/156,379.58 = 40,198.12/x
  3. Step 3: Cross multiply
    104,238.34x = 156,379.58 × 40,198.12
  4. Step 4: Simplify right side
    104,238.34x = 6,286,165,122.39
  5. Step 5: Solve for x
    x = 6,286,165,122.39/104,238.34
  6. Step 6: Final answer
    x = 60,305.69

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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.