Home / 141,620.22-195,433.83-77,956.38

Finding the Fourth Proportional to 141,620.22, 195,433.83 and 77,956.38

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Solution

The fourth proportional to 141,620.22, 195,433.83 and 77,956.38 is: 107,578.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,620.22 : 195,433.83 = 77,956.38 : x
  2. Step 2: Convert to fraction form
    141,620.22/195,433.83 = 77,956.38/x
  3. Step 3: Cross multiply
    141,620.22x = 195,433.83 × 77,956.38
  4. Step 4: Simplify right side
    141,620.22x = 15,235,313,916.34
  5. Step 5: Solve for x
    x = 15,235,313,916.34/141,620.22
  6. Step 6: Final answer
    x = 107,578.66

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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.