Home / 256,258.82-353,604.21-143,086.34

Finding the Fourth Proportional to 256,258.82, 353,604.21 and 143,086.34

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Solution

The fourth proportional to 256,258.82, 353,604.21 and 143,086.34 is: 197,440.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,258.82 : 353,604.21 = 143,086.34 : x
  2. Step 2: Convert to fraction form
    256,258.82/353,604.21 = 143,086.34/x
  3. Step 3: Cross multiply
    256,258.82x = 353,604.21 × 143,086.34
  4. Step 4: Simplify right side
    256,258.82x = 50,595,932,217.49
  5. Step 5: Solve for x
    x = 50,595,932,217.49/256,258.82
  6. Step 6: Final answer
    x = 197,440.74

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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.