Home / 205,413.10-308,162.85-116,593.90

Finding the Fourth Proportional to 205,413.10, 308,162.85 and 116,593.90

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Solution

The fourth proportional to 205,413.10, 308,162.85 and 116,593.90 is: 174,915.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,413.10 : 308,162.85 = 116,593.90 : x
  2. Step 2: Convert to fraction form
    205,413.10/308,162.85 = 116,593.90/x
  3. Step 3: Cross multiply
    205,413.10x = 308,162.85 × 116,593.90
  4. Step 4: Simplify right side
    205,413.10x = 35,929,908,516.62
  5. Step 5: Solve for x
    x = 35,929,908,516.62/205,413.10
  6. Step 6: Final answer
    x = 174,915.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.