Home / 141,316.20-195,027.22-80,905.80

Finding the Fourth Proportional to 141,316.20, 195,027.22 and 80,905.80

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Solution

The fourth proportional to 141,316.20, 195,027.22 and 80,905.80 is: 111,656.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,316.20 : 195,027.22 = 80,905.80 : x
  2. Step 2: Convert to fraction form
    141,316.20/195,027.22 = 80,905.80/x
  3. Step 3: Cross multiply
    141,316.20x = 195,027.22 × 80,905.80
  4. Step 4: Simplify right side
    141,316.20x = 15,778,833,255.88
  5. Step 5: Solve for x
    x = 15,778,833,255.88/141,316.20
  6. Step 6: Final answer
    x = 111,656.22

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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.