Home / 168,115.01-231,908.54-107,620.56

Finding the Fourth Proportional to 168,115.01, 231,908.54 and 107,620.56

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Solution

The fourth proportional to 168,115.01, 231,908.54 and 107,620.56 is: 148,458.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,115.01 : 231,908.54 = 107,620.56 : x
  2. Step 2: Convert to fraction form
    168,115.01/231,908.54 = 107,620.56/x
  3. Step 3: Cross multiply
    168,115.01x = 231,908.54 × 107,620.56
  4. Step 4: Simplify right side
    168,115.01x = 24,958,126,405.48
  5. Step 5: Solve for x
    x = 24,958,126,405.48/168,115.01
  6. Step 6: Final answer
    x = 148,458.65

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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.