Home / 196,982.21-271,836.57-112,099.28

Finding the Fourth Proportional to 196,982.21, 271,836.57 and 112,099.28

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Solution

The fourth proportional to 196,982.21, 271,836.57 and 112,099.28 is: 154,697.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,982.21 : 271,836.57 = 112,099.28 : x
  2. Step 2: Convert to fraction form
    196,982.21/271,836.57 = 112,099.28/x
  3. Step 3: Cross multiply
    196,982.21x = 271,836.57 × 112,099.28
  4. Step 4: Simplify right side
    196,982.21x = 30,472,682,835.86
  5. Step 5: Solve for x
    x = 30,472,682,835.86/196,982.21
  6. Step 6: Final answer
    x = 154,697.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.