Home / 299,964.40-413,951.10-163,996.18

Finding the Fourth Proportional to 299,964.40, 413,951.10 and 163,996.18

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Solution

The fourth proportional to 299,964.40, 413,951.10 and 163,996.18 is: 226,314.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,964.40 : 413,951.10 = 163,996.18 : x
  2. Step 2: Convert to fraction form
    299,964.40/413,951.10 = 163,996.18/x
  3. Step 3: Cross multiply
    299,964.40x = 413,951.10 × 163,996.18
  4. Step 4: Simplify right side
    299,964.40x = 67,886,399,106.80
  5. Step 5: Solve for x
    x = 67,886,399,106.80/299,964.40
  6. Step 6: Final answer
    x = 226,314.85

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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.