Home / 196,138.04-269,821.13-171,829.54

Finding the Fourth Proportional to 196,138.04, 269,821.13 and 171,829.54

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Solution

The fourth proportional to 196,138.04, 269,821.13 and 171,829.54 is: 236,380.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,138.04 : 269,821.13 = 171,829.54 : x
  2. Step 2: Convert to fraction form
    196,138.04/269,821.13 = 171,829.54/x
  3. Step 3: Cross multiply
    196,138.04x = 269,821.13 × 171,829.54
  4. Step 4: Simplify right side
    196,138.04x = 46,363,238,610.57
  5. Step 5: Solve for x
    x = 46,363,238,610.57/196,138.04
  6. Step 6: Final answer
    x = 236,380.66

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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.