Home / 192,869.37-266,116.73-116,400.92

Finding the Fourth Proportional to 192,869.37, 266,116.73 and 116,400.92

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Solution

The fourth proportional to 192,869.37, 266,116.73 and 116,400.92 is: 160,607.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,869.37 : 266,116.73 = 116,400.92 : x
  2. Step 2: Convert to fraction form
    192,869.37/266,116.73 = 116,400.92/x
  3. Step 3: Cross multiply
    192,869.37x = 266,116.73 × 116,400.92
  4. Step 4: Simplify right side
    192,869.37x = 30,976,230,286.80
  5. Step 5: Solve for x
    x = 30,976,230,286.80/192,869.37
  6. Step 6: Final answer
    x = 160,607.31

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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.