Home / 141,390.20-195,115.56-84,819.80

Finding the Fourth Proportional to 141,390.20, 195,115.56 and 84,819.80

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Solution

The fourth proportional to 141,390.20, 195,115.56 and 84,819.80 is: 117,049.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,390.20 : 195,115.56 = 84,819.80 : x
  2. Step 2: Convert to fraction form
    141,390.20/195,115.56 = 84,819.80/x
  3. Step 3: Cross multiply
    141,390.20x = 195,115.56 × 84,819.80
  4. Step 4: Simplify right side
    141,390.20x = 16,549,662,776.09
  5. Step 5: Solve for x
    x = 16,549,662,776.09/141,390.20
  6. Step 6: Final answer
    x = 117,049.57

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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.