Home / 331,760.98-497,625.03-121,382.50

Finding the Fourth Proportional to 331,760.98, 497,625.03 and 121,382.50

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Solution

The fourth proportional to 331,760.98, 497,625.03 and 121,382.50 is: 182,067.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,760.98 : 497,625.03 = 121,382.50 : x
  2. Step 2: Convert to fraction form
    331,760.98/497,625.03 = 121,382.50/x
  3. Step 3: Cross multiply
    331,760.98x = 497,625.03 × 121,382.50
  4. Step 4: Simplify right side
    331,760.98x = 60,402,970,203.98
  5. Step 5: Solve for x
    x = 60,402,970,203.98/331,760.98
  6. Step 6: Final answer
    x = 182,067.74

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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.