Home / 104,180.21-156,163.04-40,974.69

Finding the Fourth Proportional to 104,180.21, 156,163.04 and 40,974.69

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Solution

The fourth proportional to 104,180.21, 156,163.04 and 40,974.69 is: 61,419.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,180.21 : 156,163.04 = 40,974.69 : x
  2. Step 2: Convert to fraction form
    104,180.21/156,163.04 = 40,974.69/x
  3. Step 3: Cross multiply
    104,180.21x = 156,163.04 × 40,974.69
  4. Step 4: Simplify right side
    104,180.21x = 6,398,732,687.85
  5. Step 5: Solve for x
    x = 6,398,732,687.85/104,180.21
  6. Step 6: Final answer
    x = 61,419.85

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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.