Home / 196,413.75-271,038.22-115,822.80

Finding the Fourth Proportional to 196,413.75, 271,038.22 and 115,822.80

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Solution

The fourth proportional to 196,413.75, 271,038.22 and 115,822.80 is: 159,827.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,413.75 : 271,038.22 = 115,822.80 : x
  2. Step 2: Convert to fraction form
    196,413.75/271,038.22 = 115,822.80/x
  3. Step 3: Cross multiply
    196,413.75x = 271,038.22 × 115,822.80
  4. Step 4: Simplify right side
    196,413.75x = 31,392,405,257.86
  5. Step 5: Solve for x
    x = 31,392,405,257.86/196,413.75
  6. Step 6: Final answer
    x = 159,827.94

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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.