Home / 166,531.36-229,743.60-109,184.48

Finding the Fourth Proportional to 166,531.36, 229,743.60 and 109,184.48

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Solution

The fourth proportional to 166,531.36, 229,743.60 and 109,184.48 is: 150,628.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,531.36 : 229,743.60 = 109,184.48 : x
  2. Step 2: Convert to fraction form
    166,531.36/229,743.60 = 109,184.48/x
  3. Step 3: Cross multiply
    166,531.36x = 229,743.60 × 109,184.48
  4. Step 4: Simplify right side
    166,531.36x = 25,084,435,499.33
  5. Step 5: Solve for x
    x = 25,084,435,499.33/166,531.36
  6. Step 6: Final answer
    x = 150,628.90

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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.