Home / 179,748.05-248,142.20-111,786.92

Finding the Fourth Proportional to 179,748.05, 248,142.20 and 111,786.92

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Solution

The fourth proportional to 179,748.05, 248,142.20 and 111,786.92 is: 154,321.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,748.05 : 248,142.20 = 111,786.92 : x
  2. Step 2: Convert to fraction form
    179,748.05/248,142.20 = 111,786.92/x
  3. Step 3: Cross multiply
    179,748.05x = 248,142.20 × 111,786.92
  4. Step 4: Simplify right side
    179,748.05x = 27,739,052,260.02
  5. Step 5: Solve for x
    x = 27,739,052,260.02/179,748.05
  6. Step 6: Final answer
    x = 154,321.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.