Home / 192,850.86-266,126.79-105,634.56

Finding the Fourth Proportional to 192,850.86, 266,126.79 and 105,634.56

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Solution

The fourth proportional to 192,850.86, 266,126.79 and 105,634.56 is: 145,771.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,850.86 : 266,126.79 = 105,634.56 : x
  2. Step 2: Convert to fraction form
    192,850.86/266,126.79 = 105,634.56/x
  3. Step 3: Cross multiply
    192,850.86x = 266,126.79 × 105,634.56
  4. Step 4: Simplify right side
    192,850.86x = 28,112,186,365.86
  5. Step 5: Solve for x
    x = 28,112,186,365.86/192,850.86
  6. Step 6: Final answer
    x = 145,771.64

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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.