Home / 196,528.14-271,207.47-111,645.20

Finding the Fourth Proportional to 196,528.14, 271,207.47 and 111,645.20

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Solution

The fourth proportional to 196,528.14, 271,207.47 and 111,645.20 is: 154,069.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,528.14 : 271,207.47 = 111,645.20 : x
  2. Step 2: Convert to fraction form
    196,528.14/271,207.47 = 111,645.20/x
  3. Step 3: Cross multiply
    196,528.14x = 271,207.47 × 111,645.20
  4. Step 4: Simplify right side
    196,528.14x = 30,279,013,326.33
  5. Step 5: Solve for x
    x = 30,279,013,326.33/196,528.14
  6. Step 6: Final answer
    x = 154,069.61

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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.