Home / 207,631.89-311,204.86-95,322.96

Finding the Fourth Proportional to 207,631.89, 311,204.86 and 95,322.96

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Solution

The fourth proportional to 207,631.89, 311,204.86 and 95,322.96 is: 142,872.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,631.89 : 311,204.86 = 95,322.96 : x
  2. Step 2: Convert to fraction form
    207,631.89/311,204.86 = 95,322.96/x
  3. Step 3: Cross multiply
    207,631.89x = 311,204.86 × 95,322.96
  4. Step 4: Simplify right side
    207,631.89x = 29,664,968,183.28
  5. Step 5: Solve for x
    x = 29,664,968,183.28/207,631.89
  6. Step 6: Final answer
    x = 142,872.89

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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.