Home / 198,085.14-273,341.25-108,661.14

Finding the Fourth Proportional to 198,085.14, 273,341.25 and 108,661.14

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Solution

The fourth proportional to 198,085.14, 273,341.25 and 108,661.14 is: 149,943.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,085.14 : 273,341.25 = 108,661.14 : x
  2. Step 2: Convert to fraction form
    198,085.14/273,341.25 = 108,661.14/x
  3. Step 3: Cross multiply
    198,085.14x = 273,341.25 × 108,661.14
  4. Step 4: Simplify right side
    198,085.14x = 29,701,571,834.03
  5. Step 5: Solve for x
    x = 29,701,571,834.03/198,085.14
  6. Step 6: Final answer
    x = 149,943.46

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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.