Home / 231,058.20-346,587.30-221,872.80

Finding the Fourth Proportional to 231,058.20, 346,587.30 and 221,872.80

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Solution

The fourth proportional to 231,058.20, 346,587.30 and 221,872.80 is: 332,809.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,058.20 : 346,587.30 = 221,872.80 : x
  2. Step 2: Convert to fraction form
    231,058.20/346,587.30 = 221,872.80/x
  3. Step 3: Cross multiply
    231,058.20x = 346,587.30 × 221,872.80
  4. Step 4: Simplify right side
    231,058.20x = 76,898,294,695.44
  5. Step 5: Solve for x
    x = 76,898,294,695.44/231,058.20
  6. Step 6: Final answer
    x = 332,809.20

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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.