Home / 209,828.97-289,563.90-114,335.58

Finding the Fourth Proportional to 209,828.97, 289,563.90 and 114,335.58

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Solution

The fourth proportional to 209,828.97, 289,563.90 and 114,335.58 is: 157,783.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,828.97 : 289,563.90 = 114,335.58 : x
  2. Step 2: Convert to fraction form
    209,828.97/289,563.90 = 114,335.58/x
  3. Step 3: Cross multiply
    209,828.97x = 289,563.90 × 114,335.58
  4. Step 4: Simplify right side
    209,828.97x = 33,107,456,453.56
  5. Step 5: Solve for x
    x = 33,107,456,453.56/209,828.97
  6. Step 6: Final answer
    x = 157,783.06

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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.