Home / 266,002.12-399,150.06-108,341.56

Finding the Fourth Proportional to 266,002.12, 399,150.06 and 108,341.56

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Solution

The fourth proportional to 266,002.12, 399,150.06 and 108,341.56 is: 162,572.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,002.12 : 399,150.06 = 108,341.56 : x
  2. Step 2: Convert to fraction form
    266,002.12/399,150.06 = 108,341.56/x
  3. Step 3: Cross multiply
    266,002.12x = 399,150.06 × 108,341.56
  4. Step 4: Simplify right side
    266,002.12x = 43,244,540,174.49
  5. Step 5: Solve for x
    x = 43,244,540,174.49/266,002.12
  6. Step 6: Final answer
    x = 162,572.16

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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.