Home / 322,690.96-445,355.04-195,368.80

Finding the Fourth Proportional to 322,690.96, 445,355.04 and 195,368.80

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Solution

The fourth proportional to 322,690.96, 445,355.04 and 195,368.80 is: 269,634.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,690.96 : 445,355.04 = 195,368.80 : x
  2. Step 2: Convert to fraction form
    322,690.96/445,355.04 = 195,368.80/x
  3. Step 3: Cross multiply
    322,690.96x = 445,355.04 × 195,368.80
  4. Step 4: Simplify right side
    322,690.96x = 87,008,479,738.75
  5. Step 5: Solve for x
    x = 87,008,479,738.75/322,690.96
  6. Step 6: Final answer
    x = 269,634.08

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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.