Home / 141,115.82-194,706.32-79,862.81

Finding the Fourth Proportional to 141,115.82, 194,706.32 and 79,862.81

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Solution

The fourth proportional to 141,115.82, 194,706.32 and 79,862.81 is: 110,191.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,115.82 : 194,706.32 = 79,862.81 : x
  2. Step 2: Convert to fraction form
    141,115.82/194,706.32 = 79,862.81/x
  3. Step 3: Cross multiply
    141,115.82x = 194,706.32 × 79,862.81
  4. Step 4: Simplify right side
    141,115.82x = 15,549,792,467.11
  5. Step 5: Solve for x
    x = 15,549,792,467.11/141,115.82
  6. Step 6: Final answer
    x = 110,191.71

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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.