Home / 166,777.50-230,155.11-91,324.38

Finding the Fourth Proportional to 166,777.50, 230,155.11 and 91,324.38

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Solution

The fourth proportional to 166,777.50, 230,155.11 and 91,324.38 is: 126,028.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,777.50 : 230,155.11 = 91,324.38 : x
  2. Step 2: Convert to fraction form
    166,777.50/230,155.11 = 91,324.38/x
  3. Step 3: Cross multiply
    166,777.50x = 230,155.11 × 91,324.38
  4. Step 4: Simplify right side
    166,777.50x = 21,018,772,724.58
  5. Step 5: Solve for x
    x = 21,018,772,724.58/166,777.50
  6. Step 6: Final answer
    x = 126,028.83

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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.