Home / 100,211.77-150,321.30-33,654.07

Finding the Fourth Proportional to 100,211.77, 150,321.30 and 33,654.07

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Solution

The fourth proportional to 100,211.77, 150,321.30 and 33,654.07 is: 50,482.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,211.77 : 150,321.30 = 33,654.07 : x
  2. Step 2: Convert to fraction form
    100,211.77/150,321.30 = 33,654.07/x
  3. Step 3: Cross multiply
    100,211.77x = 150,321.30 × 33,654.07
  4. Step 4: Simplify right side
    100,211.77x = 5,058,923,552.69
  5. Step 5: Solve for x
    x = 5,058,923,552.69/100,211.77
  6. Step 6: Final answer
    x = 50,482.33

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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.