Home / 205,771.82-283,976.14-115,122.36

Finding the Fourth Proportional to 205,771.82, 283,976.14 and 115,122.36

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Solution

The fourth proportional to 205,771.82, 283,976.14 and 115,122.36 is: 158,875.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,771.82 : 283,976.14 = 115,122.36 : x
  2. Step 2: Convert to fraction form
    205,771.82/283,976.14 = 115,122.36/x
  3. Step 3: Cross multiply
    205,771.82x = 283,976.14 × 115,122.36
  4. Step 4: Simplify right side
    205,771.82x = 32,692,004,575.34
  5. Step 5: Solve for x
    x = 32,692,004,575.34/205,771.82
  6. Step 6: Final answer
    x = 158,875.03

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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.