Home / 664,161.83-996,135.82-190,739.51

Finding the Fourth Proportional to 664,161.83, 996,135.82 and 190,739.51

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Solution

The fourth proportional to 664,161.83, 996,135.82 and 190,739.51 is: 286,078.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,161.83 : 996,135.82 = 190,739.51 : x
  2. Step 2: Convert to fraction form
    664,161.83/996,135.82 = 190,739.51/x
  3. Step 3: Cross multiply
    664,161.83x = 996,135.82 × 190,739.51
  4. Step 4: Simplify right side
    664,161.83x = 190,002,458,200.25
  5. Step 5: Solve for x
    x = 190,002,458,200.25/664,161.83
  6. Step 6: Final answer
    x = 286,078.56

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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.