Home / 168,173.28-231,947.84-107,749.56

Finding the Fourth Proportional to 168,173.28, 231,947.84 and 107,749.56

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Solution

The fourth proportional to 168,173.28, 231,947.84 and 107,749.56 is: 148,610.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,173.28 : 231,947.84 = 107,749.56 : x
  2. Step 2: Convert to fraction form
    168,173.28/231,947.84 = 107,749.56/x
  3. Step 3: Cross multiply
    168,173.28x = 231,947.84 × 107,749.56
  4. Step 4: Simplify right side
    168,173.28x = 24,992,277,164.20
  5. Step 5: Solve for x
    x = 24,992,277,164.20/168,173.28
  6. Step 6: Final answer
    x = 148,610.27

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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.