Home / 239,874.86-331,032.48-132,451.72

Finding the Fourth Proportional to 239,874.86, 331,032.48 and 132,451.72

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Solution

The fourth proportional to 239,874.86, 331,032.48 and 132,451.72 is: 182,786.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,874.86 : 331,032.48 = 132,451.72 : x
  2. Step 2: Convert to fraction form
    239,874.86/331,032.48 = 132,451.72/x
  3. Step 3: Cross multiply
    239,874.86x = 331,032.48 × 132,451.72
  4. Step 4: Simplify right side
    239,874.86x = 43,845,821,351.87
  5. Step 5: Solve for x
    x = 43,845,821,351.87/239,874.86
  6. Step 6: Final answer
    x = 182,786.23

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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.