Home / 192,738.55-265,982.36-105,522.20

Finding the Fourth Proportional to 192,738.55, 265,982.36 and 105,522.20

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Solution

The fourth proportional to 192,738.55, 265,982.36 and 105,522.20 is: 145,622.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,738.55 : 265,982.36 = 105,522.20 : x
  2. Step 2: Convert to fraction form
    192,738.55/265,982.36 = 105,522.20/x
  3. Step 3: Cross multiply
    192,738.55x = 265,982.36 × 105,522.20
  4. Step 4: Simplify right side
    192,738.55x = 28,067,043,788.39
  5. Step 5: Solve for x
    x = 28,067,043,788.39/192,738.55
  6. Step 6: Final answer
    x = 145,622.37

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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.