Home / 197,971.20-297,154.50-109,266.48

Finding the Fourth Proportional to 197,971.20, 297,154.50 and 109,266.48

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Solution

The fourth proportional to 197,971.20, 297,154.50 and 109,266.48 is: 164,008.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,971.20 : 297,154.50 = 109,266.48 : x
  2. Step 2: Convert to fraction form
    197,971.20/297,154.50 = 109,266.48/x
  3. Step 3: Cross multiply
    197,971.20x = 297,154.50 × 109,266.48
  4. Step 4: Simplify right side
    197,971.20x = 32,469,026,231.16
  5. Step 5: Solve for x
    x = 32,469,026,231.16/197,971.20
  6. Step 6: Final answer
    x = 164,008.84

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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.