Home / 190,954.90-263,517.83-104,919.39

Finding the Fourth Proportional to 190,954.90, 263,517.83 and 104,919.39

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Solution

The fourth proportional to 190,954.90, 263,517.83 and 104,919.39 is: 144,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,954.90 : 263,517.83 = 104,919.39 : x
  2. Step 2: Convert to fraction form
    190,954.90/263,517.83 = 104,919.39/x
  3. Step 3: Cross multiply
    190,954.90x = 263,517.83 × 104,919.39
  4. Step 4: Simplify right side
    190,954.90x = 27,648,129,977.72
  5. Step 5: Solve for x
    x = 27,648,129,977.72/190,954.90
  6. Step 6: Final answer
    x = 144,788.80

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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.