Home / 325,535.40-449,234.82-198,210.60

Finding the Fourth Proportional to 325,535.40, 449,234.82 and 198,210.60

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Solution

The fourth proportional to 325,535.40, 449,234.82 and 198,210.60 is: 273,528.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,535.40 : 449,234.82 = 198,210.60 : x
  2. Step 2: Convert to fraction form
    325,535.40/449,234.82 = 198,210.60/x
  3. Step 3: Cross multiply
    325,535.40x = 449,234.82 × 198,210.60
  4. Step 4: Simplify right side
    325,535.40x = 89,043,103,213.09
  5. Step 5: Solve for x
    x = 89,043,103,213.09/325,535.40
  6. Step 6: Final answer
    x = 273,528.17

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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.