Home / 111,327.13-166,988.37-27,087.73

Finding the Fourth Proportional to 111,327.13, 166,988.37 and 27,087.73

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Solution

The fourth proportional to 111,327.13, 166,988.37 and 27,087.73 is: 40,631.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,327.13 : 166,988.37 = 27,087.73 : x
  2. Step 2: Convert to fraction form
    111,327.13/166,988.37 = 27,087.73/x
  3. Step 3: Cross multiply
    111,327.13x = 166,988.37 × 27,087.73
  4. Step 4: Simplify right side
    111,327.13x = 4,523,335,879.70
  5. Step 5: Solve for x
    x = 4,523,335,879.70/111,327.13
  6. Step 6: Final answer
    x = 40,631.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.