Home / 168,151.51-231,917.79-107,727.73

Finding the Fourth Proportional to 168,151.51, 231,917.79 and 107,727.73

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Solution

The fourth proportional to 168,151.51, 231,917.79 and 107,727.73 is: 148,580.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,151.51 : 231,917.79 = 107,727.73 : x
  2. Step 2: Convert to fraction form
    168,151.51/231,917.79 = 107,727.73/x
  3. Step 3: Cross multiply
    168,151.51x = 231,917.79 × 107,727.73
  4. Step 4: Simplify right side
    168,151.51x = 24,983,977,063.32
  5. Step 5: Solve for x
    x = 24,983,977,063.32/168,151.51
  6. Step 6: Final answer
    x = 148,580.15

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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.