Home / 412,022.30-617,975.85-131,567.90

Finding the Fourth Proportional to 412,022.30, 617,975.85 and 131,567.90

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Solution

The fourth proportional to 412,022.30, 617,975.85 and 131,567.90 is: 197,333.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,022.30 : 617,975.85 = 131,567.90 : x
  2. Step 2: Convert to fraction form
    412,022.30/617,975.85 = 131,567.90/x
  3. Step 3: Cross multiply
    412,022.30x = 617,975.85 × 131,567.90
  4. Step 4: Simplify right side
    412,022.30x = 81,305,784,835.22
  5. Step 5: Solve for x
    x = 81,305,784,835.22/412,022.30
  6. Step 6: Final answer
    x = 197,333.46

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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.