Home / 141,823.26-195,716.52-78,159.60

Finding the Fourth Proportional to 141,823.26, 195,716.52 and 78,159.60

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Solution

The fourth proportional to 141,823.26, 195,716.52 and 78,159.60 is: 107,860.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,823.26 : 195,716.52 = 78,159.60 : x
  2. Step 2: Convert to fraction form
    141,823.26/195,716.52 = 78,159.60/x
  3. Step 3: Cross multiply
    141,823.26x = 195,716.52 × 78,159.60
  4. Step 4: Simplify right side
    141,823.26x = 15,297,124,916.59
  5. Step 5: Solve for x
    x = 15,297,124,916.59/141,823.26
  6. Step 6: Final answer
    x = 107,860.48

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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.