Home / 166,538.62-229,825.11-91,085.50

Finding the Fourth Proportional to 166,538.62, 229,825.11 and 91,085.50

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Solution

The fourth proportional to 166,538.62, 229,825.11 and 91,085.50 is: 125,698.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,538.62 : 229,825.11 = 91,085.50 : x
  2. Step 2: Convert to fraction form
    166,538.62/229,825.11 = 91,085.50/x
  3. Step 3: Cross multiply
    166,538.62x = 229,825.11 × 91,085.50
  4. Step 4: Simplify right side
    166,538.62x = 20,933,735,056.91
  5. Step 5: Solve for x
    x = 20,933,735,056.91/166,538.62
  6. Step 6: Final answer
    x = 125,698.98

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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.