Home / 166,615.56-229,928.31-91,164.06

Finding the Fourth Proportional to 166,615.56, 229,928.31 and 91,164.06

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Solution

The fourth proportional to 166,615.56, 229,928.31 and 91,164.06 is: 125,805.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,615.56 : 229,928.31 = 91,164.06 : x
  2. Step 2: Convert to fraction form
    166,615.56/229,928.31 = 91,164.06/x
  3. Step 3: Cross multiply
    166,615.56x = 229,928.31 × 91,164.06
  4. Step 4: Simplify right side
    166,615.56x = 20,961,198,248.54
  5. Step 5: Solve for x
    x = 20,961,198,248.54/166,615.56
  6. Step 6: Final answer
    x = 125,805.77

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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.