Home / 166,561.68-229,860.60-91,110.24

Finding the Fourth Proportional to 166,561.68, 229,860.60 and 91,110.24

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Solution

The fourth proportional to 166,561.68, 229,860.60 and 91,110.24 is: 125,735.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,561.68 : 229,860.60 = 91,110.24 : x
  2. Step 2: Convert to fraction form
    166,561.68/229,860.60 = 91,110.24/x
  3. Step 3: Cross multiply
    166,561.68x = 229,860.60 × 91,110.24
  4. Step 4: Simplify right side
    166,561.68x = 20,942,654,432.54
  5. Step 5: Solve for x
    x = 20,942,654,432.54/166,561.68
  6. Step 6: Final answer
    x = 125,735.13

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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.