Home / 97,736.20-146,604.30-74,116.60

Finding the Fourth Proportional to 97,736.20, 146,604.30 and 74,116.60

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Solution

The fourth proportional to 97,736.20, 146,604.30 and 74,116.60 is: 111,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,736.20 : 146,604.30 = 74,116.60 : x
  2. Step 2: Convert to fraction form
    97,736.20/146,604.30 = 74,116.60/x
  3. Step 3: Cross multiply
    97,736.20x = 146,604.30 × 74,116.60
  4. Step 4: Simplify right side
    97,736.20x = 10,865,812,261.38
  5. Step 5: Solve for x
    x = 10,865,812,261.38/97,736.20
  6. Step 6: Final answer
    x = 111,174.90

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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.