Home / 286,119.54-394,917.53-195,512.13

Finding the Fourth Proportional to 286,119.54, 394,917.53 and 195,512.13

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Solution

The fourth proportional to 286,119.54, 394,917.53 and 195,512.13 is: 269,856.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,119.54 : 394,917.53 = 195,512.13 : x
  2. Step 2: Convert to fraction form
    286,119.54/394,917.53 = 195,512.13/x
  3. Step 3: Cross multiply
    286,119.54x = 394,917.53 × 195,512.13
  4. Step 4: Simplify right side
    286,119.54x = 77,211,166,487.08
  5. Step 5: Solve for x
    x = 77,211,166,487.08/286,119.54
  6. Step 6: Final answer
    x = 269,856.32

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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.