Home / 266,121.38-399,187.72-95,354.21

Finding the Fourth Proportional to 266,121.38, 399,187.72 and 95,354.21

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Solution

The fourth proportional to 266,121.38, 399,187.72 and 95,354.21 is: 143,033.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,121.38 : 399,187.72 = 95,354.21 : x
  2. Step 2: Convert to fraction form
    266,121.38/399,187.72 = 95,354.21/x
  3. Step 3: Cross multiply
    266,121.38x = 399,187.72 × 95,354.21
  4. Step 4: Simplify right side
    266,121.38x = 38,064,229,682.30
  5. Step 5: Solve for x
    x = 38,064,229,682.30/266,121.38
  6. Step 6: Final answer
    x = 143,033.34

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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.