Home / 141,035.17-194,645.75-80,608.36

Finding the Fourth Proportional to 141,035.17, 194,645.75 and 80,608.36

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Solution

The fourth proportional to 141,035.17, 194,645.75 and 80,608.36 is: 111,249.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,035.17 : 194,645.75 = 80,608.36 : x
  2. Step 2: Convert to fraction form
    141,035.17/194,645.75 = 80,608.36/x
  3. Step 3: Cross multiply
    141,035.17x = 194,645.75 × 80,608.36
  4. Step 4: Simplify right side
    141,035.17x = 15,690,073,312.20
  5. Step 5: Solve for x
    x = 15,690,073,312.20/141,035.17
  6. Step 6: Final answer
    x = 111,249.37

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1.5x scale

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.