Home / 324,725.74-487,137.06-100,067.38

Finding the Fourth Proportional to 324,725.74, 487,137.06 and 100,067.38

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Solution

The fourth proportional to 324,725.74, 487,137.06 and 100,067.38 is: 150,116.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,725.74 : 487,137.06 = 100,067.38 : x
  2. Step 2: Convert to fraction form
    324,725.74/487,137.06 = 100,067.38/x
  3. Step 3: Cross multiply
    324,725.74x = 487,137.06 × 100,067.38
  4. Step 4: Simplify right side
    324,725.74x = 48,746,529,295.10
  5. Step 5: Solve for x
    x = 48,746,529,295.10/324,725.74
  6. Step 6: Final answer
    x = 150,116.00

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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.