Home / 172,829.44-258,795.52-148,029.12

Finding the Fourth Proportional to 172,829.44, 258,795.52 and 148,029.12

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Solution

The fourth proportional to 172,829.44, 258,795.52 and 148,029.12 is: 221,659.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,829.44 : 258,795.52 = 148,029.12 : x
  2. Step 2: Convert to fraction form
    172,829.44/258,795.52 = 148,029.12/x
  3. Step 3: Cross multiply
    172,829.44x = 258,795.52 × 148,029.12
  4. Step 4: Simplify right side
    172,829.44x = 38,309,273,085.54
  5. Step 5: Solve for x
    x = 38,309,273,085.54/172,829.44
  6. Step 6: Final answer
    x = 221,659.42

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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.