Home / 115,202.49-158,982.80-67,451.37

Finding the Fourth Proportional to 115,202.49, 158,982.80 and 67,451.37

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Solution

The fourth proportional to 115,202.49, 158,982.80 and 67,451.37 is: 93,084.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,202.49 : 158,982.80 = 67,451.37 : x
  2. Step 2: Convert to fraction form
    115,202.49/158,982.80 = 67,451.37/x
  3. Step 3: Cross multiply
    115,202.49x = 158,982.80 × 67,451.37
  4. Step 4: Simplify right side
    115,202.49x = 10,723,607,112.41
  5. Step 5: Solve for x
    x = 10,723,607,112.41/115,202.49
  6. Step 6: Final answer
    x = 93,084.86

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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.