Home / 257,639.54-355,546.06-192,994.25

Finding the Fourth Proportional to 257,639.54, 355,546.06 and 192,994.25

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Solution

The fourth proportional to 257,639.54, 355,546.06 and 192,994.25 is: 266,334.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,639.54 : 355,546.06 = 192,994.25 : x
  2. Step 2: Convert to fraction form
    257,639.54/355,546.06 = 192,994.25/x
  3. Step 3: Cross multiply
    257,639.54x = 355,546.06 × 192,994.25
  4. Step 4: Simplify right side
    257,639.54x = 68,618,342,929.94
  5. Step 5: Solve for x
    x = 68,618,342,929.94/257,639.54
  6. Step 6: Final answer
    x = 266,334.68

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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.