Home / 141,603.81-195,414.57-77,942.07

Finding the Fourth Proportional to 141,603.81, 195,414.57 and 77,942.07

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Solution

The fourth proportional to 141,603.81, 195,414.57 and 77,942.07 is: 107,560.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,603.81 : 195,414.57 = 77,942.07 : x
  2. Step 2: Convert to fraction form
    141,603.81/195,414.57 = 77,942.07/x
  3. Step 3: Cross multiply
    141,603.81x = 195,414.57 × 77,942.07
  4. Step 4: Simplify right side
    141,603.81x = 15,231,016,093.96
  5. Step 5: Solve for x
    x = 15,231,016,093.96/141,603.81
  6. Step 6: Final answer
    x = 107,560.78

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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.