Home / 100,321.07-150,481.88-25,441.26

Finding the Fourth Proportional to 100,321.07, 150,481.88 and 25,441.26

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Solution

The fourth proportional to 100,321.07, 150,481.88 and 25,441.26 is: 38,161.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,321.07 : 150,481.88 = 25,441.26 : x
  2. Step 2: Convert to fraction form
    100,321.07/150,481.88 = 25,441.26/x
  3. Step 3: Cross multiply
    100,321.07x = 150,481.88 × 25,441.26
  4. Step 4: Simplify right side
    100,321.07x = 3,828,448,634.37
  5. Step 5: Solve for x
    x = 3,828,448,634.37/100,321.07
  6. Step 6: Final answer
    x = 38,161.96

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1.5x scale

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.