Home / 166,917.25-230,345.90-91,465.75

Finding the Fourth Proportional to 166,917.25, 230,345.90 and 91,465.75

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Solution

The fourth proportional to 166,917.25, 230,345.90 and 91,465.75 is: 126,222.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,917.25 : 230,345.90 = 91,465.75 : x
  2. Step 2: Convert to fraction form
    166,917.25/230,345.90 = 91,465.75/x
  3. Step 3: Cross multiply
    166,917.25x = 230,345.90 × 91,465.75
  4. Step 4: Simplify right side
    166,917.25x = 21,068,760,502.93
  5. Step 5: Solve for x
    x = 21,068,760,502.93/166,917.25
  6. Step 6: Final answer
    x = 126,222.79

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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.