Home / 100,338.09-150,572.22-43,467.54

Finding the Fourth Proportional to 100,338.09, 150,572.22 and 43,467.54

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Solution

The fourth proportional to 100,338.09, 150,572.22 and 43,467.54 is: 65,229.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,338.09 : 150,572.22 = 43,467.54 : x
  2. Step 2: Convert to fraction form
    100,338.09/150,572.22 = 43,467.54/x
  3. Step 3: Cross multiply
    100,338.09x = 150,572.22 × 43,467.54
  4. Step 4: Simplify right side
    100,338.09x = 6,545,003,995.74
  5. Step 5: Solve for x
    x = 6,545,003,995.74/100,338.09
  6. Step 6: Final answer
    x = 65,229.51

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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.