Home / 193,408.09-266,907.77-108,531.43

Finding the Fourth Proportional to 193,408.09, 266,907.77 and 108,531.43

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Solution

The fourth proportional to 193,408.09, 266,907.77 and 108,531.43 is: 149,775.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,408.09 : 266,907.77 = 108,531.43 : x
  2. Step 2: Convert to fraction form
    193,408.09/266,907.77 = 108,531.43/x
  3. Step 3: Cross multiply
    193,408.09x = 266,907.77 × 108,531.43
  4. Step 4: Simplify right side
    193,408.09x = 28,967,881,956.21
  5. Step 5: Solve for x
    x = 28,967,881,956.21/193,408.09
  6. Step 6: Final answer
    x = 149,775.96

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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.