Home / 166,502.26-229,619.79-109,120.68

Finding the Fourth Proportional to 166,502.26, 229,619.79 and 109,120.68

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Solution

The fourth proportional to 166,502.26, 229,619.79 and 109,120.68 is: 150,486.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,502.26 : 229,619.79 = 109,120.68 : x
  2. Step 2: Convert to fraction form
    166,502.26/229,619.79 = 109,120.68/x
  3. Step 3: Cross multiply
    166,502.26x = 229,619.79 × 109,120.68
  4. Step 4: Simplify right side
    166,502.26x = 25,056,267,626.26
  5. Step 5: Solve for x
    x = 25,056,267,626.26/166,502.26
  6. Step 6: Final answer
    x = 150,486.05

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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.