Home / 193,290.31-266,740.05-108,409.24

Finding the Fourth Proportional to 193,290.31, 266,740.05 and 108,409.24

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Solution

The fourth proportional to 193,290.31, 266,740.05 and 108,409.24 is: 149,604.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,290.31 : 266,740.05 = 108,409.24 : x
  2. Step 2: Convert to fraction form
    193,290.31/266,740.05 = 108,409.24/x
  3. Step 3: Cross multiply
    193,290.31x = 266,740.05 × 108,409.24
  4. Step 4: Simplify right side
    193,290.31x = 28,917,086,098.06
  5. Step 5: Solve for x
    x = 28,917,086,098.06/193,290.31
  6. Step 6: Final answer
    x = 149,604.43

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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.