Home / 197,856.12-296,652.96-64,689.72

Finding the Fourth Proportional to 197,856.12, 296,652.96 and 64,689.72

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Solution

The fourth proportional to 197,856.12, 296,652.96 and 64,689.72 is: 96,991.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,856.12 : 296,652.96 = 64,689.72 : x
  2. Step 2: Convert to fraction form
    197,856.12/296,652.96 = 64,689.72/x
  3. Step 3: Cross multiply
    197,856.12x = 296,652.96 × 64,689.72
  4. Step 4: Simplify right side
    197,856.12x = 19,190,396,919.57
  5. Step 5: Solve for x
    x = 19,190,396,919.57/197,856.12
  6. Step 6: Final answer
    x = 96,991.68

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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.