Home / 196,836.28-271,649.10-111,948.28

Finding the Fourth Proportional to 196,836.28, 271,649.10 and 111,948.28

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Solution

The fourth proportional to 196,836.28, 271,649.10 and 111,948.28 is: 154,497.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,836.28 : 271,649.10 = 111,948.28 : x
  2. Step 2: Convert to fraction form
    196,836.28/271,649.10 = 111,948.28/x
  3. Step 3: Cross multiply
    196,836.28x = 271,649.10 × 111,948.28
  4. Step 4: Simplify right side
    196,836.28x = 30,410,649,508.55
  5. Step 5: Solve for x
    x = 30,410,649,508.55/196,836.28
  6. Step 6: Final answer
    x = 154,497.18

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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.