Home / 166,920.74-230,343.10-91,467.62

Finding the Fourth Proportional to 166,920.74, 230,343.10 and 91,467.62

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Solution

The fourth proportional to 166,920.74, 230,343.10 and 91,467.62 is: 126,221.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,920.74 : 230,343.10 = 91,467.62 : x
  2. Step 2: Convert to fraction form
    166,920.74/230,343.10 = 91,467.62/x
  3. Step 3: Cross multiply
    166,920.74x = 230,343.10 × 91,467.62
  4. Step 4: Simplify right side
    166,920.74x = 21,068,933,760.04
  5. Step 5: Solve for x
    x = 21,068,933,760.04/166,920.74
  6. Step 6: Final answer
    x = 126,221.19

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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.