Home / 166,619.56-229,933.80-91,168.06

Finding the Fourth Proportional to 166,619.56, 229,933.80 and 91,168.06

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Solution

The fourth proportional to 166,619.56, 229,933.80 and 91,168.06 is: 125,811.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,619.56 : 229,933.80 = 91,168.06 : x
  2. Step 2: Convert to fraction form
    166,619.56/229,933.80 = 91,168.06/x
  3. Step 3: Cross multiply
    166,619.56x = 229,933.80 × 91,168.06
  4. Step 4: Simplify right side
    166,619.56x = 20,962,618,474.43
  5. Step 5: Solve for x
    x = 20,962,618,474.43/166,619.56
  6. Step 6: Final answer
    x = 125,811.27

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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.