Home / 197,749.28-296,563.30-71,374.10

Finding the Fourth Proportional to 197,749.28, 296,563.30 and 71,374.10

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Solution

The fourth proportional to 197,749.28, 296,563.30 and 71,374.10 is: 107,039.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,749.28 : 296,563.30 = 71,374.10 : x
  2. Step 2: Convert to fraction form
    197,749.28/296,563.30 = 71,374.10/x
  3. Step 3: Cross multiply
    197,749.28x = 296,563.30 × 71,374.10
  4. Step 4: Simplify right side
    197,749.28x = 21,166,936,969.28
  5. Step 5: Solve for x
    x = 21,166,936,969.28/197,749.28
  6. Step 6: Final answer
    x = 107,039.26

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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.