Home / 112,582.62-169,067.32-99,960.80

Finding the Fourth Proportional to 112,582.62, 169,067.32 and 99,960.80

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Solution

The fourth proportional to 112,582.62, 169,067.32 and 99,960.80 is: 150,112.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,582.62 : 169,067.32 = 99,960.80 : x
  2. Step 2: Convert to fraction form
    112,582.62/169,067.32 = 99,960.80/x
  3. Step 3: Cross multiply
    112,582.62x = 169,067.32 × 99,960.80
  4. Step 4: Simplify right side
    112,582.62x = 16,900,104,561.06
  5. Step 5: Solve for x
    x = 16,900,104,561.06/112,582.62
  6. Step 6: Final answer
    x = 150,112.91

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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.