Home / 356,360.85-491,778.14-195,221.75

Finding the Fourth Proportional to 356,360.85, 491,778.14 and 195,221.75

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Solution

The fourth proportional to 356,360.85, 491,778.14 and 195,221.75 is: 269,406.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,360.85 : 491,778.14 = 195,221.75 : x
  2. Step 2: Convert to fraction form
    356,360.85/491,778.14 = 195,221.75/x
  3. Step 3: Cross multiply
    356,360.85x = 491,778.14 × 195,221.75
  4. Step 4: Simplify right side
    356,360.85x = 96,005,785,667.55
  5. Step 5: Solve for x
    x = 96,005,785,667.55/356,360.85
  6. Step 6: Final answer
    x = 269,406.10

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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.