Home / 298,982.43-412,588.12-163,016.64

Finding the Fourth Proportional to 298,982.43, 412,588.12 and 163,016.64

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Solution

The fourth proportional to 298,982.43, 412,588.12 and 163,016.64 is: 224,958.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,982.43 : 412,588.12 = 163,016.64 : x
  2. Step 2: Convert to fraction form
    298,982.43/412,588.12 = 163,016.64/x
  3. Step 3: Cross multiply
    298,982.43x = 412,588.12 × 163,016.64
  4. Step 4: Simplify right side
    298,982.43x = 67,258,729,026.32
  5. Step 5: Solve for x
    x = 67,258,729,026.32/298,982.43
  6. Step 6: Final answer
    x = 224,958.80

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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.