Home / 300,777.20-415,072.62-164,810.04

Finding the Fourth Proportional to 300,777.20, 415,072.62 and 164,810.04

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Solution

The fourth proportional to 300,777.20, 415,072.62 and 164,810.04 is: 227,437.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,777.20 : 415,072.62 = 164,810.04 : x
  2. Step 2: Convert to fraction form
    300,777.20/415,072.62 = 164,810.04/x
  3. Step 3: Cross multiply
    300,777.20x = 415,072.62 × 164,810.04
  4. Step 4: Simplify right side
    300,777.20x = 68,408,135,105.10
  5. Step 5: Solve for x
    x = 68,408,135,105.10/300,777.20
  6. Step 6: Final answer
    x = 227,437.90

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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.