Home / 167,355.72-230,939.91-99,369.18

Finding the Fourth Proportional to 167,355.72, 230,939.91 and 99,369.18

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Solution

The fourth proportional to 167,355.72, 230,939.91 and 99,369.18 is: 137,122.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,355.72 : 230,939.91 = 99,369.18 : x
  2. Step 2: Convert to fraction form
    167,355.72/230,939.91 = 99,369.18/x
  3. Step 3: Cross multiply
    167,355.72x = 230,939.91 × 99,369.18
  4. Step 4: Simplify right side
    167,355.72x = 22,948,309,485.97
  5. Step 5: Solve for x
    x = 22,948,309,485.97/167,355.72
  6. Step 6: Final answer
    x = 137,122.95

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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.