Home / 193,187.88-266,583.96-108,293.40

Finding the Fourth Proportional to 193,187.88, 266,583.96 and 108,293.40

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Solution

The fourth proportional to 193,187.88, 266,583.96 and 108,293.40 is: 149,436.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,187.88 : 266,583.96 = 108,293.40 : x
  2. Step 2: Convert to fraction form
    193,187.88/266,583.96 = 108,293.40/x
  3. Step 3: Cross multiply
    193,187.88x = 266,583.96 × 108,293.40
  4. Step 4: Simplify right side
    193,187.88x = 28,869,283,413.86
  5. Step 5: Solve for x
    x = 28,869,283,413.86/193,187.88
  6. Step 6: Final answer
    x = 149,436.31

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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.