Home / 99,189.44-148,743.36-49,251.20

Finding the Fourth Proportional to 99,189.44, 148,743.36 and 49,251.20

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Solution

The fourth proportional to 99,189.44, 148,743.36 and 49,251.20 is: 73,856.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,189.44 : 148,743.36 = 49,251.20 : x
  2. Step 2: Convert to fraction form
    99,189.44/148,743.36 = 49,251.20/x
  3. Step 3: Cross multiply
    99,189.44x = 148,743.36 × 49,251.20
  4. Step 4: Simplify right side
    99,189.44x = 7,325,788,972.03
  5. Step 5: Solve for x
    x = 7,325,788,972.03/99,189.44
  6. Step 6: Final answer
    x = 73,856.54

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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.