Home / 166,974.72-230,416.56-91,508.64

Finding the Fourth Proportional to 166,974.72, 230,416.56 and 91,508.64

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Solution

The fourth proportional to 166,974.72, 230,416.56 and 91,508.64 is: 126,277.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,974.72 : 230,416.56 = 91,508.64 : x
  2. Step 2: Convert to fraction form
    166,974.72/230,416.56 = 91,508.64/x
  3. Step 3: Cross multiply
    166,974.72x = 230,416.56 × 91,508.64
  4. Step 4: Simplify right side
    166,974.72x = 21,085,106,039.08
  5. Step 5: Solve for x
    x = 21,085,106,039.08/166,974.72
  6. Step 6: Final answer
    x = 126,277.24

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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.