Home / 193,620.24-289,805.40-99,997.20

Finding the Fourth Proportional to 193,620.24, 289,805.40 and 99,997.20

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Solution

The fourth proportional to 193,620.24, 289,805.40 and 99,997.20 is: 149,673.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,620.24 : 289,805.40 = 99,997.20 : x
  2. Step 2: Convert to fraction form
    193,620.24/289,805.40 = 99,997.20/x
  3. Step 3: Cross multiply
    193,620.24x = 289,805.40 × 99,997.20
  4. Step 4: Simplify right side
    193,620.24x = 28,979,728,544.88
  5. Step 5: Solve for x
    x = 28,979,728,544.88/193,620.24
  6. Step 6: Final answer
    x = 149,673.03

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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.