Home / 331,010.57-456,781.14-187,767.54

Finding the Fourth Proportional to 331,010.57, 456,781.14 and 187,767.54

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Solution

The fourth proportional to 331,010.57, 456,781.14 and 187,767.54 is: 259,111.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,010.57 : 456,781.14 = 187,767.54 : x
  2. Step 2: Convert to fraction form
    331,010.57/456,781.14 = 187,767.54/x
  3. Step 3: Cross multiply
    331,010.57x = 456,781.14 × 187,767.54
  4. Step 4: Simplify right side
    331,010.57x = 85,768,670,976.20
  5. Step 5: Solve for x
    x = 85,768,670,976.20/331,010.57
  6. Step 6: Final answer
    x = 259,111.58

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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.