Home / 256,922.01-354,466.53-149,469.30

Finding the Fourth Proportional to 256,922.01, 354,466.53 and 149,469.30

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Solution

The fourth proportional to 256,922.01, 354,466.53 and 149,469.30 is: 206,217.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,922.01 : 354,466.53 = 149,469.30 : x
  2. Step 2: Convert to fraction form
    256,922.01/354,466.53 = 149,469.30/x
  3. Step 3: Cross multiply
    256,922.01x = 354,466.53 × 149,469.30
  4. Step 4: Simplify right side
    256,922.01x = 52,981,864,112.53
  5. Step 5: Solve for x
    x = 52,981,864,112.53/256,922.01
  6. Step 6: Final answer
    x = 206,217.69

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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.