Home / 166,688.40-230,035.84-91,236.96

Finding the Fourth Proportional to 166,688.40, 230,035.84 and 91,236.96

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Solution

The fourth proportional to 166,688.40, 230,035.84 and 91,236.96 is: 125,910.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,688.40 : 230,035.84 = 91,236.96 : x
  2. Step 2: Convert to fraction form
    166,688.40/230,035.84 = 91,236.96/x
  3. Step 3: Cross multiply
    166,688.40x = 230,035.84 × 91,236.96
  4. Step 4: Simplify right side
    166,688.40x = 20,987,770,732.65
  5. Step 5: Solve for x
    x = 20,987,770,732.65/166,688.40
  6. Step 6: Final answer
    x = 125,910.21

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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.