Home / 150,104.25-207,144.68-82,122.03

Finding the Fourth Proportional to 150,104.25, 207,144.68 and 82,122.03

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Solution

The fourth proportional to 150,104.25, 207,144.68 and 82,122.03 is: 113,328.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,104.25 : 207,144.68 = 82,122.03 : x
  2. Step 2: Convert to fraction form
    150,104.25/207,144.68 = 82,122.03/x
  3. Step 3: Cross multiply
    150,104.25x = 207,144.68 × 82,122.03
  4. Step 4: Simplify right side
    150,104.25x = 17,011,141,214.69
  5. Step 5: Solve for x
    x = 17,011,141,214.69/150,104.25
  6. Step 6: Final answer
    x = 113,328.84

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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.