Home / 192,786.30-266,045.85-107,903.25

Finding the Fourth Proportional to 192,786.30, 266,045.85 and 107,903.25

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Solution

The fourth proportional to 192,786.30, 266,045.85 and 107,903.25 is: 148,906.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,786.30 : 266,045.85 = 107,903.25 : x
  2. Step 2: Convert to fraction form
    192,786.30/266,045.85 = 107,903.25/x
  3. Step 3: Cross multiply
    192,786.30x = 266,045.85 × 107,903.25
  4. Step 4: Simplify right side
    192,786.30x = 28,707,211,864.01
  5. Step 5: Solve for x
    x = 28,707,211,864.01/192,786.30
  6. Step 6: Final answer
    x = 148,906.91

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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.