Home / 166,586.75-229,893.05-91,136.87

Finding the Fourth Proportional to 166,586.75, 229,893.05 and 91,136.87

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Solution

The fourth proportional to 166,586.75, 229,893.05 and 91,136.87 is: 125,770.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,586.75 : 229,893.05 = 91,136.87 : x
  2. Step 2: Convert to fraction form
    166,586.75/229,893.05 = 91,136.87/x
  3. Step 3: Cross multiply
    166,586.75x = 229,893.05 × 91,136.87
  4. Step 4: Simplify right side
    166,586.75x = 20,951,732,556.07
  5. Step 5: Solve for x
    x = 20,951,732,556.07/166,586.75
  6. Step 6: Final answer
    x = 125,770.70

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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.