Home / 141,914.91-195,835.55-80,653.09

Finding the Fourth Proportional to 141,914.91, 195,835.55 and 80,653.09

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Solution

The fourth proportional to 141,914.91, 195,835.55 and 80,653.09 is: 111,297.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,914.91 : 195,835.55 = 80,653.09 : x
  2. Step 2: Convert to fraction form
    141,914.91/195,835.55 = 80,653.09/x
  3. Step 3: Cross multiply
    141,914.91x = 195,835.55 × 80,653.09
  4. Step 4: Simplify right side
    141,914.91x = 15,794,742,239.35
  5. Step 5: Solve for x
    x = 15,794,742,239.35/141,914.91
  6. Step 6: Final answer
    x = 111,297.27

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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.