Home / 100,177.70-150,261.42-33,618.38

Finding the Fourth Proportional to 100,177.70, 150,261.42 and 33,618.38

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Solution

The fourth proportional to 100,177.70, 150,261.42 and 33,618.38 is: 50,425.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,177.70 : 150,261.42 = 33,618.38 : x
  2. Step 2: Convert to fraction form
    100,177.70/150,261.42 = 33,618.38/x
  3. Step 3: Cross multiply
    100,177.70x = 150,261.42 × 33,618.38
  4. Step 4: Simplify right side
    100,177.70x = 5,051,545,516.90
  5. Step 5: Solve for x
    x = 5,051,545,516.90/100,177.70
  6. Step 6: Final answer
    x = 50,425.85

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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.