Home / 209,822.12-289,550.88-114,329.60

Finding the Fourth Proportional to 209,822.12, 289,550.88 and 114,329.60

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Solution

The fourth proportional to 209,822.12, 289,550.88 and 114,329.60 is: 157,772.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,822.12 : 289,550.88 = 114,329.60 : x
  2. Step 2: Convert to fraction form
    209,822.12/289,550.88 = 114,329.60/x
  3. Step 3: Cross multiply
    209,822.12x = 289,550.88 × 114,329.60
  4. Step 4: Simplify right side
    209,822.12x = 33,104,236,290.05
  5. Step 5: Solve for x
    x = 33,104,236,290.05/209,822.12
  6. Step 6: Final answer
    x = 157,772.86

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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.