Home / 190,919.67-263,481.03-106,036.53

Finding the Fourth Proportional to 190,919.67, 263,481.03 and 106,036.53

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Solution

The fourth proportional to 190,919.67, 263,481.03 and 106,036.53 is: 146,337.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,919.67 : 263,481.03 = 106,036.53 : x
  2. Step 2: Convert to fraction form
    190,919.67/263,481.03 = 106,036.53/x
  3. Step 3: Cross multiply
    190,919.67x = 263,481.03 × 106,036.53
  4. Step 4: Simplify right side
    190,919.67x = 27,938,614,142.03
  5. Step 5: Solve for x
    x = 27,938,614,142.03/190,919.67
  6. Step 6: Final answer
    x = 146,337.01

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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.