Home / 231,190.50-318,449.37-163,087.73

Finding the Fourth Proportional to 231,190.50, 318,449.37 and 163,087.73

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Solution

The fourth proportional to 231,190.50, 318,449.37 and 163,087.73 is: 224,642.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,190.50 : 318,449.37 = 163,087.73 : x
  2. Step 2: Convert to fraction form
    231,190.50/318,449.37 = 163,087.73/x
  3. Step 3: Cross multiply
    231,190.50x = 318,449.37 × 163,087.73
  4. Step 4: Simplify right side
    231,190.50x = 51,935,185,086.75
  5. Step 5: Solve for x
    x = 51,935,185,086.75/231,190.50
  6. Step 6: Final answer
    x = 224,642.38

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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.