Home / 254,217.36-350,819.78-139,496.70

Finding the Fourth Proportional to 254,217.36, 350,819.78 and 139,496.70

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Solution

The fourth proportional to 254,217.36, 350,819.78 and 139,496.70 is: 192,505.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,217.36 : 350,819.78 = 139,496.70 : x
  2. Step 2: Convert to fraction form
    254,217.36/350,819.78 = 139,496.70/x
  3. Step 3: Cross multiply
    254,217.36x = 350,819.78 × 139,496.70
  4. Step 4: Simplify right side
    254,217.36x = 48,938,201,604.73
  5. Step 5: Solve for x
    x = 48,938,201,604.73/254,217.36
  6. Step 6: Final answer
    x = 192,505.35

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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.