Home / 209,973.44-289,766.48-114,481.73

Finding the Fourth Proportional to 209,973.44, 289,766.48 and 114,481.73

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Solution

The fourth proportional to 209,973.44, 289,766.48 and 114,481.73 is: 157,986.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,973.44 : 289,766.48 = 114,481.73 : x
  2. Step 2: Convert to fraction form
    209,973.44/289,766.48 = 114,481.73/x
  3. Step 3: Cross multiply
    209,973.44x = 289,766.48 × 114,481.73
  4. Step 4: Simplify right side
    209,973.44x = 33,172,965,905.17
  5. Step 5: Solve for x
    x = 33,172,965,905.17/209,973.44
  6. Step 6: Final answer
    x = 157,986.49

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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.