Home / 141,035.16-194,645.75-80,608.35

Finding the Fourth Proportional to 141,035.16, 194,645.75 and 80,608.35

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Solution

The fourth proportional to 141,035.16, 194,645.75 and 80,608.35 is: 111,249.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,035.16 : 194,645.75 = 80,608.35 : x
  2. Step 2: Convert to fraction form
    141,035.16/194,645.75 = 80,608.35/x
  3. Step 3: Cross multiply
    141,035.16x = 194,645.75 × 80,608.35
  4. Step 4: Simplify right side
    141,035.16x = 15,690,072,742.01
  5. Step 5: Solve for x
    x = 15,690,072,742.01/141,035.16
  6. Step 6: Final answer
    x = 111,249.37

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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.