Home / 266,022.29-367,109.30-145,163.21

Finding the Fourth Proportional to 266,022.29, 367,109.30 and 145,163.21

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Solution

The fourth proportional to 266,022.29, 367,109.30 and 145,163.21 is: 200,324.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,022.29 : 367,109.30 = 145,163.21 : x
  2. Step 2: Convert to fraction form
    266,022.29/367,109.30 = 145,163.21/x
  3. Step 3: Cross multiply
    266,022.29x = 367,109.30 × 145,163.21
  4. Step 4: Simplify right side
    266,022.29x = 53,290,761,847.49
  5. Step 5: Solve for x
    x = 53,290,761,847.49/266,022.29
  6. Step 6: Final answer
    x = 200,324.43

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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.