Home / 329,942.25-455,321.52-179,039.25

Finding the Fourth Proportional to 329,942.25, 455,321.52 and 179,039.25

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Solution

The fourth proportional to 329,942.25, 455,321.52 and 179,039.25 is: 247,074.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,942.25 : 455,321.52 = 179,039.25 : x
  2. Step 2: Convert to fraction form
    329,942.25/455,321.52 = 179,039.25/x
  3. Step 3: Cross multiply
    329,942.25x = 455,321.52 × 179,039.25
  4. Step 4: Simplify right side
    329,942.25x = 81,520,423,449.66
  5. Step 5: Solve for x
    x = 81,520,423,449.66/329,942.25
  6. Step 6: Final answer
    x = 247,074.82

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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.