Home / 168,151.25-231,917.45-107,727.48

Finding the Fourth Proportional to 168,151.25, 231,917.45 and 107,727.48

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Solution

The fourth proportional to 168,151.25, 231,917.45 and 107,727.48 is: 148,579.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,151.25 : 231,917.45 = 107,727.48 : x
  2. Step 2: Convert to fraction form
    168,151.25/231,917.45 = 107,727.48/x
  3. Step 3: Cross multiply
    168,151.25x = 231,917.45 × 107,727.48
  4. Step 4: Simplify right side
    168,151.25x = 24,983,881,917.89
  5. Step 5: Solve for x
    x = 24,983,881,917.89/168,151.25
  6. Step 6: Final answer
    x = 148,579.82

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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.