Home / 205,163.92-283,173.44-120,308.32

Finding the Fourth Proportional to 205,163.92, 283,173.44 and 120,308.32

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Solution

The fourth proportional to 205,163.92, 283,173.44 and 120,308.32 is: 166,053.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,163.92 : 283,173.44 = 120,308.32 : x
  2. Step 2: Convert to fraction form
    205,163.92/283,173.44 = 120,308.32/x
  3. Step 3: Cross multiply
    205,163.92x = 283,173.44 × 120,308.32
  4. Step 4: Simplify right side
    205,163.92x = 34,068,120,835.02
  5. Step 5: Solve for x
    x = 34,068,120,835.02/205,163.92
  6. Step 6: Final answer
    x = 166,053.18

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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.