Home / 193,441.74-290,175.94-81,008.75

Finding the Fourth Proportional to 193,441.74, 290,175.94 and 81,008.75

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Solution

The fourth proportional to 193,441.74, 290,175.94 and 81,008.75 is: 121,518.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,441.74 : 290,175.94 = 81,008.75 : x
  2. Step 2: Convert to fraction form
    193,441.74/290,175.94 = 81,008.75/x
  3. Step 3: Cross multiply
    193,441.74x = 290,175.94 × 81,008.75
  4. Step 4: Simplify right side
    193,441.74x = 23,506,790,179.48
  5. Step 5: Solve for x
    x = 23,506,790,179.48/193,441.74
  6. Step 6: Final answer
    x = 121,518.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.