Home / 196,984.36-271,770.96-112,080.16

Finding the Fourth Proportional to 196,984.36, 271,770.96 and 112,080.16

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Solution

The fourth proportional to 196,984.36, 271,770.96 and 112,080.16 is: 154,632.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,984.36 : 271,770.96 = 112,080.16 : x
  2. Step 2: Convert to fraction form
    196,984.36/271,770.96 = 112,080.16/x
  3. Step 3: Cross multiply
    196,984.36x = 271,770.96 × 112,080.16
  4. Step 4: Simplify right side
    196,984.36x = 30,460,132,680.15
  5. Step 5: Solve for x
    x = 30,460,132,680.15/196,984.36
  6. Step 6: Final answer
    x = 154,632.24

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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.