Home / 166,589.73-229,893.98-91,138.23

Finding the Fourth Proportional to 166,589.73, 229,893.98 and 91,138.23

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Solution

The fourth proportional to 166,589.73, 229,893.98 and 91,138.23 is: 125,770.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,589.73 : 229,893.98 = 91,138.23 : x
  2. Step 2: Convert to fraction form
    166,589.73/229,893.98 = 91,138.23/x
  3. Step 3: Cross multiply
    166,589.73x = 229,893.98 × 91,138.23
  4. Step 4: Simplify right side
    166,589.73x = 20,952,129,969.16
  5. Step 5: Solve for x
    x = 20,952,129,969.16/166,589.73
  6. Step 6: Final answer
    x = 125,770.84

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1.5x scale

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.