Home / 316,822.20-475,233.30-196,974.60

Finding the Fourth Proportional to 316,822.20, 475,233.30 and 196,974.60

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Solution

The fourth proportional to 316,822.20, 475,233.30 and 196,974.60 is: 295,461.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,822.20 : 475,233.30 = 196,974.60 : x
  2. Step 2: Convert to fraction form
    316,822.20/475,233.30 = 196,974.60/x
  3. Step 3: Cross multiply
    316,822.20x = 475,233.30 × 196,974.60
  4. Step 4: Simplify right side
    316,822.20x = 93,608,889,174.18
  5. Step 5: Solve for x
    x = 93,608,889,174.18/316,822.20
  6. Step 6: Final answer
    x = 295,461.90

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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.