Home / 112,582.96-169,067.60-99,961.22

Finding the Fourth Proportional to 112,582.96, 169,067.60 and 99,961.22

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Solution

The fourth proportional to 112,582.96, 169,067.60 and 99,961.22 is: 150,113.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,582.96 : 169,067.60 = 99,961.22 : x
  2. Step 2: Convert to fraction form
    112,582.96/169,067.60 = 99,961.22/x
  3. Step 3: Cross multiply
    112,582.96x = 169,067.60 × 99,961.22
  4. Step 4: Simplify right side
    112,582.96x = 16,900,203,558.47
  5. Step 5: Solve for x
    x = 16,900,203,558.47/112,582.96
  6. Step 6: Final answer
    x = 150,113.33

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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.