Home / 166,970.25-230,418.99-91,523.61

Finding the Fourth Proportional to 166,970.25, 230,418.99 and 91,523.61

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Solution

The fourth proportional to 166,970.25, 230,418.99 and 91,523.61 is: 126,302.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,970.25 : 230,418.99 = 91,523.61 : x
  2. Step 2: Convert to fraction form
    166,970.25/230,418.99 = 91,523.61/x
  3. Step 3: Cross multiply
    166,970.25x = 230,418.99 × 91,523.61
  4. Step 4: Simplify right side
    166,970.25x = 21,088,777,777.35
  5. Step 5: Solve for x
    x = 21,088,777,777.35/166,970.25
  6. Step 6: Final answer
    x = 126,302.61

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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.