Home / 115,202.08-158,982.24-67,450.96

Finding the Fourth Proportional to 115,202.08, 158,982.24 and 67,450.96

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Solution

The fourth proportional to 115,202.08, 158,982.24 and 67,450.96 is: 93,084.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,202.08 : 158,982.24 = 67,450.96 : x
  2. Step 2: Convert to fraction form
    115,202.08/158,982.24 = 67,450.96/x
  3. Step 3: Cross multiply
    115,202.08x = 158,982.24 × 67,450.96
  4. Step 4: Simplify right side
    115,202.08x = 10,723,504,710.95
  5. Step 5: Solve for x
    x = 10,723,504,710.95/115,202.08
  6. Step 6: Final answer
    x = 93,084.30

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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.