Home / 349,221.83-481,929.50-198,319.91

Finding the Fourth Proportional to 349,221.83, 481,929.50 and 198,319.91

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Solution

The fourth proportional to 349,221.83, 481,929.50 and 198,319.91 is: 273,683.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,221.83 : 481,929.50 = 198,319.91 : x
  2. Step 2: Convert to fraction form
    349,221.83/481,929.50 = 198,319.91/x
  3. Step 3: Cross multiply
    349,221.83x = 481,929.50 × 198,319.91
  4. Step 4: Simplify right side
    349,221.83x = 95,576,214,074.75
  5. Step 5: Solve for x
    x = 95,576,214,074.75/349,221.83
  6. Step 6: Final answer
    x = 273,683.39

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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.