Home / 198,164.48-296,680.32-131,471.91

Finding the Fourth Proportional to 198,164.48, 296,680.32 and 131,471.91

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Solution

The fourth proportional to 198,164.48, 296,680.32 and 131,471.91 is: 196,832.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,164.48 : 296,680.32 = 131,471.91 : x
  2. Step 2: Convert to fraction form
    198,164.48/296,680.32 = 131,471.91/x
  3. Step 3: Cross multiply
    198,164.48x = 296,680.32 × 131,471.91
  4. Step 4: Simplify right side
    198,164.48x = 39,005,128,329.81
  5. Step 5: Solve for x
    x = 39,005,128,329.81/198,164.48
  6. Step 6: Final answer
    x = 196,832.09

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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.