Home / 198,153.72-296,836.90-109,186.56

Finding the Fourth Proportional to 198,153.72, 296,836.90 and 109,186.56

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Solution

The fourth proportional to 198,153.72, 296,836.90 and 109,186.56 is: 163,562.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,153.72 : 296,836.90 = 109,186.56 : x
  2. Step 2: Convert to fraction form
    198,153.72/296,836.90 = 109,186.56/x
  3. Step 3: Cross multiply
    198,153.72x = 296,836.90 × 109,186.56
  4. Step 4: Simplify right side
    198,153.72x = 32,410,599,992.06
  5. Step 5: Solve for x
    x = 32,410,599,992.06/198,153.72
  6. Step 6: Final answer
    x = 163,562.91

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1.5x scale

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.