Home / 349,221.08-481,928.46-198,319.16

Finding the Fourth Proportional to 349,221.08, 481,928.46 and 198,319.16

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Solution

The fourth proportional to 349,221.08, 481,928.46 and 198,319.16 is: 273,682.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,221.08 : 481,928.46 = 198,319.16 : x
  2. Step 2: Convert to fraction form
    349,221.08/481,928.46 = 198,319.16/x
  3. Step 3: Cross multiply
    349,221.08x = 481,928.46 × 198,319.16
  4. Step 4: Simplify right side
    349,221.08x = 95,575,647,367.29
  5. Step 5: Solve for x
    x = 95,575,647,367.29/349,221.08
  6. Step 6: Final answer
    x = 273,682.35

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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.