Home / 205,334.20-308,001.30-65,092.60

Finding the Fourth Proportional to 205,334.20, 308,001.30 and 65,092.60

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Solution

The fourth proportional to 205,334.20, 308,001.30 and 65,092.60 is: 97,638.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,334.20 : 308,001.30 = 65,092.60 : x
  2. Step 2: Convert to fraction form
    205,334.20/308,001.30 = 65,092.60/x
  3. Step 3: Cross multiply
    205,334.20x = 308,001.30 × 65,092.60
  4. Step 4: Simplify right side
    205,334.20x = 20,048,605,420.38
  5. Step 5: Solve for x
    x = 20,048,605,420.38/205,334.20
  6. Step 6: Final answer
    x = 97,638.90

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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.