Home / 206,729.40-310,094.10-192,732.60

Finding the Fourth Proportional to 206,729.40, 310,094.10 and 192,732.60

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Solution

The fourth proportional to 206,729.40, 310,094.10 and 192,732.60 is: 289,098.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,729.40 : 310,094.10 = 192,732.60 : x
  2. Step 2: Convert to fraction form
    206,729.40/310,094.10 = 192,732.60/x
  3. Step 3: Cross multiply
    206,729.40x = 310,094.10 × 192,732.60
  4. Step 4: Simplify right side
    206,729.40x = 59,765,242,137.66
  5. Step 5: Solve for x
    x = 59,765,242,137.66/206,729.40
  6. Step 6: Final answer
    x = 289,098.90

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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.