Home / 193,286.25-266,851.67-126,334.89

Finding the Fourth Proportional to 193,286.25, 266,851.67 and 126,334.89

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Solution

The fourth proportional to 193,286.25, 266,851.67 and 126,334.89 is: 174,418.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,286.25 : 266,851.67 = 126,334.89 : x
  2. Step 2: Convert to fraction form
    193,286.25/266,851.67 = 126,334.89/x
  3. Step 3: Cross multiply
    193,286.25x = 266,851.67 × 126,334.89
  4. Step 4: Simplify right side
    193,286.25x = 33,712,675,744.09
  5. Step 5: Solve for x
    x = 33,712,675,744.09/193,286.25
  6. Step 6: Final answer
    x = 174,418.39

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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.