Home / 294,728.12-441,745.92-136,623.80

Finding the Fourth Proportional to 294,728.12, 441,745.92 and 136,623.80

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Solution

The fourth proportional to 294,728.12, 441,745.92 and 136,623.80 is: 204,775.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,728.12 : 441,745.92 = 136,623.80 : x
  2. Step 2: Convert to fraction form
    294,728.12/441,745.92 = 136,623.80/x
  3. Step 3: Cross multiply
    294,728.12x = 441,745.92 × 136,623.80
  4. Step 4: Simplify right side
    294,728.12x = 60,353,006,224.90
  5. Step 5: Solve for x
    x = 60,353,006,224.90/294,728.12
  6. Step 6: Final answer
    x = 204,775.19

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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.