Home / 209,828.15-289,553.78-119,183.84

Finding the Fourth Proportional to 209,828.15, 289,553.78 and 119,183.84

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Solution

The fourth proportional to 209,828.15, 289,553.78 and 119,183.84 is: 164,468.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,828.15 : 289,553.78 = 119,183.84 : x
  2. Step 2: Convert to fraction form
    209,828.15/289,553.78 = 119,183.84/x
  3. Step 3: Cross multiply
    209,828.15x = 289,553.78 × 119,183.84
  4. Step 4: Simplify right side
    209,828.15x = 34,510,131,322.93
  5. Step 5: Solve for x
    x = 34,510,131,322.93/209,828.15
  6. Step 6: Final answer
    x = 164,468.55

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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.