Home / 343,834.82-515,749.93-187,059.73

Finding the Fourth Proportional to 343,834.82, 515,749.93 and 187,059.73

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Solution

The fourth proportional to 343,834.82, 515,749.93 and 187,059.73 is: 280,588.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,834.82 : 515,749.93 = 187,059.73 : x
  2. Step 2: Convert to fraction form
    343,834.82/515,749.93 = 187,059.73/x
  3. Step 3: Cross multiply
    343,834.82x = 515,749.93 × 187,059.73
  4. Step 4: Simplify right side
    343,834.82x = 96,476,042,915.54
  5. Step 5: Solve for x
    x = 96,476,042,915.54/343,834.82
  6. Step 6: Final answer
    x = 280,588.34

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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.