Home / 141,659.50-195,486.24-77,997.64

Finding the Fourth Proportional to 141,659.50, 195,486.24 and 77,997.64

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Solution

The fourth proportional to 141,659.50, 195,486.24 and 77,997.64 is: 107,634.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,659.50 : 195,486.24 = 77,997.64 : x
  2. Step 2: Convert to fraction form
    141,659.50/195,486.24 = 77,997.64/x
  3. Step 3: Cross multiply
    141,659.50x = 195,486.24 × 77,997.64
  4. Step 4: Simplify right side
    141,659.50x = 15,247,465,372.47
  5. Step 5: Solve for x
    x = 15,247,465,372.47/141,659.50
  6. Step 6: Final answer
    x = 107,634.61

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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.