Home / 150,850.45-208,174.98-82,868.80

Finding the Fourth Proportional to 150,850.45, 208,174.98 and 82,868.80

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Solution

The fourth proportional to 150,850.45, 208,174.98 and 82,868.80 is: 114,359.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,850.45 : 208,174.98 = 82,868.80 : x
  2. Step 2: Convert to fraction form
    150,850.45/208,174.98 = 82,868.80/x
  3. Step 3: Cross multiply
    150,850.45x = 208,174.98 × 82,868.80
  4. Step 4: Simplify right side
    150,850.45x = 17,251,210,782.62
  5. Step 5: Solve for x
    x = 17,251,210,782.62/150,850.45
  6. Step 6: Final answer
    x = 114,359.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.