Home / 209,882.09-289,644.07-119,236.41

Finding the Fourth Proportional to 209,882.09, 289,644.07 and 119,236.41

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Solution

The fourth proportional to 209,882.09, 289,644.07 and 119,236.41 is: 164,550.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,882.09 : 289,644.07 = 119,236.41 : x
  2. Step 2: Convert to fraction form
    209,882.09/289,644.07 = 119,236.41/x
  3. Step 3: Cross multiply
    209,882.09x = 289,644.07 × 119,236.41
  4. Step 4: Simplify right side
    209,882.09x = 34,536,119,084.59
  5. Step 5: Solve for x
    x = 34,536,119,084.59/209,882.09
  6. Step 6: Final answer
    x = 164,550.10

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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.