Home / 166,773.12-230,144.58-91,321.62

Finding the Fourth Proportional to 166,773.12, 230,144.58 and 91,321.62

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Solution

The fourth proportional to 166,773.12, 230,144.58 and 91,321.62 is: 126,022.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,773.12 : 230,144.58 = 91,321.62 : x
  2. Step 2: Convert to fraction form
    166,773.12/230,144.58 = 91,321.62/x
  3. Step 3: Cross multiply
    166,773.12x = 230,144.58 × 91,321.62
  4. Step 4: Simplify right side
    166,773.12x = 21,017,175,879.82
  5. Step 5: Solve for x
    x = 21,017,175,879.82/166,773.12
  6. Step 6: Final answer
    x = 126,022.56

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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.