Home / 167,395.62-231,057.12-99,423.66

Finding the Fourth Proportional to 167,395.62, 231,057.12 and 99,423.66

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Solution

The fourth proportional to 167,395.62, 231,057.12 and 99,423.66 is: 137,235.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,395.62 : 231,057.12 = 99,423.66 : x
  2. Step 2: Convert to fraction form
    167,395.62/231,057.12 = 99,423.66/x
  3. Step 3: Cross multiply
    167,395.62x = 231,057.12 × 99,423.66
  4. Step 4: Simplify right side
    167,395.62x = 22,972,544,539.46
  5. Step 5: Solve for x
    x = 22,972,544,539.46/167,395.62
  6. Step 6: Final answer
    x = 137,235.04

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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.