Home / 74,156.68-111,234.08-17,997.25

Finding the Fourth Proportional to 74,156.68, 111,234.08 and 17,997.25

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Solution

The fourth proportional to 74,156.68, 111,234.08 and 17,997.25 is: 26,995.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,156.68 : 111,234.08 = 17,997.25 : x
  2. Step 2: Convert to fraction form
    74,156.68/111,234.08 = 17,997.25/x
  3. Step 3: Cross multiply
    74,156.68x = 111,234.08 × 17,997.25
  4. Step 4: Simplify right side
    74,156.68x = 2,001,907,546.28
  5. Step 5: Solve for x
    x = 2,001,907,546.28/74,156.68
  6. Step 6: Final answer
    x = 26,995.65

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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.