Home / 166,434.36-229,679.43-90,982.86

Finding the Fourth Proportional to 166,434.36, 229,679.43 and 90,982.86

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Solution

The fourth proportional to 166,434.36, 229,679.43 and 90,982.86 is: 125,556.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,434.36 : 229,679.43 = 90,982.86 : x
  2. Step 2: Convert to fraction form
    166,434.36/229,679.43 = 90,982.86/x
  3. Step 3: Cross multiply
    166,434.36x = 229,679.43 × 90,982.86
  4. Step 4: Simplify right side
    166,434.36x = 20,896,891,424.57
  5. Step 5: Solve for x
    x = 20,896,891,424.57/166,434.36
  6. Step 6: Final answer
    x = 125,556.35

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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.