Home / 166,012.43-229,288.37-120,892.19

Finding the Fourth Proportional to 166,012.43, 229,288.37 and 120,892.19

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Solution

The fourth proportional to 166,012.43, 229,288.37 and 120,892.19 is: 166,970.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,012.43 : 229,288.37 = 120,892.19 : x
  2. Step 2: Convert to fraction form
    166,012.43/229,288.37 = 120,892.19/x
  3. Step 3: Cross multiply
    166,012.43x = 229,288.37 × 120,892.19
  4. Step 4: Simplify right side
    166,012.43x = 27,719,171,439.93
  5. Step 5: Solve for x
    x = 27,719,171,439.93/166,012.43
  6. Step 6: Final answer
    x = 166,970.46

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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.