Home / 291,961.85-402,906.69-164,636.55

Finding the Fourth Proportional to 291,961.85, 402,906.69 and 164,636.55

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Solution

The fourth proportional to 291,961.85, 402,906.69 and 164,636.55 is: 227,198.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,961.85 : 402,906.69 = 164,636.55 : x
  2. Step 2: Convert to fraction form
    291,961.85/402,906.69 = 164,636.55/x
  3. Step 3: Cross multiply
    291,961.85x = 402,906.69 × 164,636.55
  4. Step 4: Simplify right side
    291,961.85x = 66,333,167,413.52
  5. Step 5: Solve for x
    x = 66,333,167,413.52/291,961.85
  6. Step 6: Final answer
    x = 227,198.07

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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.