Home / 166,708.56-230,064.36-91,257.04

Finding the Fourth Proportional to 166,708.56, 230,064.36 and 91,257.04

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Solution

The fourth proportional to 166,708.56, 230,064.36 and 91,257.04 is: 125,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,708.56 : 230,064.36 = 91,257.04 : x
  2. Step 2: Convert to fraction form
    166,708.56/230,064.36 = 91,257.04/x
  3. Step 3: Cross multiply
    166,708.56x = 230,064.36 × 91,257.04
  4. Step 4: Simplify right side
    166,708.56x = 20,994,992,503.09
  5. Step 5: Solve for x
    x = 20,994,992,503.09/166,708.56
  6. Step 6: Final answer
    x = 125,938.30

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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.