Home / 141,850.56-195,751.35-78,194.28

Finding the Fourth Proportional to 141,850.56, 195,751.35 and 78,194.28

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Solution

The fourth proportional to 141,850.56, 195,751.35 and 78,194.28 is: 107,906.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,850.56 : 195,751.35 = 78,194.28 : x
  2. Step 2: Convert to fraction form
    141,850.56/195,751.35 = 78,194.28/x
  3. Step 3: Cross multiply
    141,850.56x = 195,751.35 × 78,194.28
  4. Step 4: Simplify right side
    141,850.56x = 15,306,635,872.28
  5. Step 5: Solve for x
    x = 15,306,635,872.28/141,850.56
  6. Step 6: Final answer
    x = 107,906.77

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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.