Home / 141,755.96-195,621.04-78,096.04

Finding the Fourth Proportional to 141,755.96, 195,621.04 and 78,096.04

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Solution

The fourth proportional to 141,755.96, 195,621.04 and 78,096.04 is: 107,771.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,755.96 : 195,621.04 = 78,096.04 : x
  2. Step 2: Convert to fraction form
    141,755.96/195,621.04 = 78,096.04/x
  3. Step 3: Cross multiply
    141,755.96x = 195,621.04 × 78,096.04
  4. Step 4: Simplify right side
    141,755.96x = 15,277,228,173.25
  5. Step 5: Solve for x
    x = 15,277,228,173.25/141,755.96
  6. Step 6: Final answer
    x = 107,771.33

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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.