Home / 196,413.50-271,037.87-115,822.55

Finding the Fourth Proportional to 196,413.50, 271,037.87 and 115,822.55

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Solution

The fourth proportional to 196,413.50, 271,037.87 and 115,822.55 is: 159,827.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,413.50 : 271,037.87 = 115,822.55 : x
  2. Step 2: Convert to fraction form
    196,413.50/271,037.87 = 115,822.55/x
  3. Step 3: Cross multiply
    196,413.50x = 271,037.87 × 115,822.55
  4. Step 4: Simplify right side
    196,413.50x = 31,392,296,670.86
  5. Step 5: Solve for x
    x = 31,392,296,670.86/196,413.50
  6. Step 6: Final answer
    x = 159,827.59

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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.