Home / 104,129.75-156,194.10-25,243.98

Finding the Fourth Proportional to 104,129.75, 156,194.10 and 25,243.98

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Solution

The fourth proportional to 104,129.75, 156,194.10 and 25,243.98 is: 37,865.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,129.75 : 156,194.10 = 25,243.98 : x
  2. Step 2: Convert to fraction form
    104,129.75/156,194.10 = 25,243.98/x
  3. Step 3: Cross multiply
    104,129.75x = 156,194.10 × 25,243.98
  4. Step 4: Simplify right side
    104,129.75x = 3,942,960,736.52
  5. Step 5: Solve for x
    x = 3,942,960,736.52/104,129.75
  6. Step 6: Final answer
    x = 37,865.84

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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.