Home / 294,440.22-405,919.35-198,795.42

Finding the Fourth Proportional to 294,440.22, 405,919.35 and 198,795.42

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Solution

The fourth proportional to 294,440.22, 405,919.35 and 198,795.42 is: 274,062.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,440.22 : 405,919.35 = 198,795.42 : x
  2. Step 2: Convert to fraction form
    294,440.22/405,919.35 = 198,795.42/x
  3. Step 3: Cross multiply
    294,440.22x = 405,919.35 × 198,795.42
  4. Step 4: Simplify right side
    294,440.22x = 80,694,907,669.38
  5. Step 5: Solve for x
    x = 80,694,907,669.38/294,440.22
  6. Step 6: Final answer
    x = 274,062.11

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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.