Home / 141,436.82-195,183.93-76,906.10

Finding the Fourth Proportional to 141,436.82, 195,183.93 and 76,906.10

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Solution

The fourth proportional to 141,436.82, 195,183.93 and 76,906.10 is: 106,131.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,436.82 : 195,183.93 = 76,906.10 : x
  2. Step 2: Convert to fraction form
    141,436.82/195,183.93 = 76,906.10/x
  3. Step 3: Cross multiply
    141,436.82x = 195,183.93 × 76,906.10
  4. Step 4: Simplify right side
    141,436.82x = 15,010,834,838.97
  5. Step 5: Solve for x
    x = 15,010,834,838.97/141,436.82
  6. Step 6: Final answer
    x = 106,131.03

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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.