Home / 141,093.27-194,708.76-77,431.11

Finding the Fourth Proportional to 141,093.27, 194,708.76 and 77,431.11

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Solution

The fourth proportional to 141,093.27, 194,708.76 and 77,431.11 is: 106,854.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,093.27 : 194,708.76 = 77,431.11 : x
  2. Step 2: Convert to fraction form
    141,093.27/194,708.76 = 77,431.11/x
  3. Step 3: Cross multiply
    141,093.27x = 194,708.76 × 77,431.11
  4. Step 4: Simplify right side
    141,093.27x = 15,076,515,413.52
  5. Step 5: Solve for x
    x = 15,076,515,413.52/141,093.27
  6. Step 6: Final answer
    x = 106,854.96

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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.