Home / 141,734.22-195,584.43-78,068.46

Finding the Fourth Proportional to 141,734.22, 195,584.43 and 78,068.46

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Solution

The fourth proportional to 141,734.22, 195,584.43 and 78,068.46 is: 107,729.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,734.22 : 195,584.43 = 78,068.46 : x
  2. Step 2: Convert to fraction form
    141,734.22/195,584.43 = 78,068.46/x
  3. Step 3: Cross multiply
    141,734.22x = 195,584.43 × 78,068.46
  4. Step 4: Simplify right side
    141,734.22x = 15,268,975,250.08
  5. Step 5: Solve for x
    x = 15,268,975,250.08/141,734.22
  6. Step 6: Final answer
    x = 107,729.63

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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.