Home / 197,216.50-295,706.40-90,466.78

Finding the Fourth Proportional to 197,216.50, 295,706.40 and 90,466.78

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Solution

The fourth proportional to 197,216.50, 295,706.40 and 90,466.78 is: 135,645.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,216.50 : 295,706.40 = 90,466.78 : x
  2. Step 2: Convert to fraction form
    197,216.50/295,706.40 = 90,466.78/x
  3. Step 3: Cross multiply
    197,216.50x = 295,706.40 × 90,466.78
  4. Step 4: Simplify right side
    197,216.50x = 26,751,605,833.39
  5. Step 5: Solve for x
    x = 26,751,605,833.39/197,216.50
  6. Step 6: Final answer
    x = 135,645.88

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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.