Home / 166,982.50-230,436.66-99,914.50

Finding the Fourth Proportional to 166,982.50, 230,436.66 and 99,914.50

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Solution

The fourth proportional to 166,982.50, 230,436.66 and 99,914.50 is: 137,882.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,982.50 : 230,436.66 = 99,914.50 : x
  2. Step 2: Convert to fraction form
    166,982.50/230,436.66 = 99,914.50/x
  3. Step 3: Cross multiply
    166,982.50x = 230,436.66 × 99,914.50
  4. Step 4: Simplify right side
    166,982.50x = 23,023,963,665.57
  5. Step 5: Solve for x
    x = 23,023,963,665.57/166,982.50
  6. Step 6: Final answer
    x = 137,882.49

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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.