Home / 104,121.45-156,180.79-25,236.36

Finding the Fourth Proportional to 104,121.45, 156,180.79 and 25,236.36

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Solution

The fourth proportional to 104,121.45, 156,180.79 and 25,236.36 is: 37,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,121.45 : 156,180.79 = 25,236.36 : x
  2. Step 2: Convert to fraction form
    104,121.45/156,180.79 = 25,236.36/x
  3. Step 3: Cross multiply
    104,121.45x = 156,180.79 × 25,236.36
  4. Step 4: Simplify right side
    104,121.45x = 3,941,434,641.52
  5. Step 5: Solve for x
    x = 3,941,434,641.52/104,121.45
  6. Step 6: Final answer
    x = 37,854.20

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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.