Home / 193,546.28-290,337.78-75,226.76

Finding the Fourth Proportional to 193,546.28, 290,337.78 and 75,226.76

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Solution

The fourth proportional to 193,546.28, 290,337.78 and 75,226.76 is: 112,847.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,546.28 : 290,337.78 = 75,226.76 : x
  2. Step 2: Convert to fraction form
    193,546.28/290,337.78 = 75,226.76/x
  3. Step 3: Cross multiply
    193,546.28x = 290,337.78 × 75,226.76
  4. Step 4: Simplify right side
    193,546.28x = 21,841,170,494.99
  5. Step 5: Solve for x
    x = 21,841,170,494.99/193,546.28
  6. Step 6: Final answer
    x = 112,847.28

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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.