Home / 74,157.19-111,234.83-17,997.75

Finding the Fourth Proportional to 74,157.19, 111,234.83 and 17,997.75

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Solution

The fourth proportional to 74,157.19, 111,234.83 and 17,997.75 is: 26,996.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,157.19 : 111,234.83 = 17,997.75 : x
  2. Step 2: Convert to fraction form
    74,157.19/111,234.83 = 17,997.75/x
  3. Step 3: Cross multiply
    74,157.19x = 111,234.83 × 17,997.75
  4. Step 4: Simplify right side
    74,157.19x = 2,001,976,571.64
  5. Step 5: Solve for x
    x = 2,001,976,571.64/74,157.19
  6. Step 6: Final answer
    x = 26,996.39

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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.