Home / 348,658.42-522,986.77-196,786.65

Finding the Fourth Proportional to 348,658.42, 522,986.77 and 196,786.65

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Solution

The fourth proportional to 348,658.42, 522,986.77 and 196,786.65 is: 295,179.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,658.42 : 522,986.77 = 196,786.65 : x
  2. Step 2: Convert to fraction form
    348,658.42/522,986.77 = 196,786.65/x
  3. Step 3: Cross multiply
    348,658.42x = 522,986.77 × 196,786.65
  4. Step 4: Simplify right side
    348,658.42x = 102,916,810,863.75
  5. Step 5: Solve for x
    x = 102,916,810,863.75/348,658.42
  6. Step 6: Final answer
    x = 295,179.48

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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.