Home / 263,242.92-394,922.70-122,925

Finding the Fourth Proportional to 263,242.92, 394,922.70 and 122,925

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Solution

The fourth proportional to 263,242.92, 394,922.70 and 122,925 is: 184,414.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,242.92 : 394,922.70 = 122,925 : x
  2. Step 2: Convert to fraction form
    263,242.92/394,922.70 = 122,925/x
  3. Step 3: Cross multiply
    263,242.92x = 394,922.70 × 122,925
  4. Step 4: Simplify right side
    263,242.92x = 48,545,872,897.50
  5. Step 5: Solve for x
    x = 48,545,872,897.50/263,242.92
  6. Step 6: Final answer
    x = 184,414.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.