Home / 166,842.86-230,243.24-91,392.62

Finding the Fourth Proportional to 166,842.86, 230,243.24 and 91,392.62

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Solution

The fourth proportional to 166,842.86, 230,243.24 and 91,392.62 is: 126,121.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,842.86 : 230,243.24 = 91,392.62 : x
  2. Step 2: Convert to fraction form
    166,842.86/230,243.24 = 91,392.62/x
  3. Step 3: Cross multiply
    166,842.86x = 230,243.24 × 91,392.62
  4. Step 4: Simplify right side
    166,842.86x = 21,042,532,940.89
  5. Step 5: Solve for x
    x = 21,042,532,940.89/166,842.86
  6. Step 6: Final answer
    x = 126,121.87

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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.