Home / 197,310.20-295,965.30-86,502.20

Finding the Fourth Proportional to 197,310.20, 295,965.30 and 86,502.20

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Solution

The fourth proportional to 197,310.20, 295,965.30 and 86,502.20 is: 129,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,310.20 : 295,965.30 = 86,502.20 : x
  2. Step 2: Convert to fraction form
    197,310.20/295,965.30 = 86,502.20/x
  3. Step 3: Cross multiply
    197,310.20x = 295,965.30 × 86,502.20
  4. Step 4: Simplify right side
    197,310.20x = 25,601,649,573.66
  5. Step 5: Solve for x
    x = 25,601,649,573.66/197,310.20
  6. Step 6: Final answer
    x = 129,753.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.