Home / 192,810.78-266,084.19-107,933.31

Finding the Fourth Proportional to 192,810.78, 266,084.19 and 107,933.31

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Solution

The fourth proportional to 192,810.78, 266,084.19 and 107,933.31 is: 148,950.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,810.78 : 266,084.19 = 107,933.31 : x
  2. Step 2: Convert to fraction form
    192,810.78/266,084.19 = 107,933.31/x
  3. Step 3: Cross multiply
    192,810.78x = 266,084.19 × 107,933.31
  4. Step 4: Simplify right side
    192,810.78x = 28,719,347,365.37
  5. Step 5: Solve for x
    x = 28,719,347,365.37/192,810.78
  6. Step 6: Final answer
    x = 148,950.94

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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.