Home / 104,109.40-156,163.56-25,223.64

Finding the Fourth Proportional to 104,109.40, 156,163.56 and 25,223.64

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Solution

The fourth proportional to 104,109.40, 156,163.56 and 25,223.64 is: 37,835.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,109.40 : 156,163.56 = 25,223.64 : x
  2. Step 2: Convert to fraction form
    104,109.40/156,163.56 = 25,223.64/x
  3. Step 3: Cross multiply
    104,109.40x = 156,163.56 × 25,223.64
  4. Step 4: Simplify right side
    104,109.40x = 3,939,013,418.56
  5. Step 5: Solve for x
    x = 3,939,013,418.56/104,109.40
  6. Step 6: Final answer
    x = 37,835.33

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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.