Home / 167,684.91-231,328.85-99,663.24

Finding the Fourth Proportional to 167,684.91, 231,328.85 and 99,663.24

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Solution

The fourth proportional to 167,684.91, 231,328.85 and 99,663.24 is: 137,489.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,684.91 : 231,328.85 = 99,663.24 : x
  2. Step 2: Convert to fraction form
    167,684.91/231,328.85 = 99,663.24/x
  3. Step 3: Cross multiply
    167,684.91x = 231,328.85 × 99,663.24
  4. Step 4: Simplify right side
    167,684.91x = 23,054,981,674.41
  5. Step 5: Solve for x
    x = 23,054,981,674.41/167,684.91
  6. Step 6: Final answer
    x = 137,489.90

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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.