Home / 141,025.20-194,634.84-87,327.60

Finding the Fourth Proportional to 141,025.20, 194,634.84 and 87,327.60

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Solution

The fourth proportional to 141,025.20, 194,634.84 and 87,327.60 is: 120,524.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,025.20 : 194,634.84 = 87,327.60 : x
  2. Step 2: Convert to fraction form
    141,025.20/194,634.84 = 87,327.60/x
  3. Step 3: Cross multiply
    141,025.20x = 194,634.84 × 87,327.60
  4. Step 4: Simplify right side
    141,025.20x = 16,996,993,453.58
  5. Step 5: Solve for x
    x = 16,996,993,453.58/141,025.20
  6. Step 6: Final answer
    x = 120,524.51

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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.