Home / 196,531.56-271,214.46-111,653.28

Finding the Fourth Proportional to 196,531.56, 271,214.46 and 111,653.28

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Solution

The fourth proportional to 196,531.56, 271,214.46 and 111,653.28 is: 154,082.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,531.56 : 271,214.46 = 111,653.28 : x
  2. Step 2: Convert to fraction form
    196,531.56/271,214.46 = 111,653.28/x
  3. Step 3: Cross multiply
    196,531.56x = 271,214.46 × 111,653.28
  4. Step 4: Simplify right side
    196,531.56x = 30,281,984,042.43
  5. Step 5: Solve for x
    x = 30,281,984,042.43/196,531.56
  6. Step 6: Final answer
    x = 154,082.04

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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.