Home / 188,913.42-281,896.62-172,146.42

Finding the Fourth Proportional to 188,913.42, 281,896.62 and 172,146.42

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Solution

The fourth proportional to 188,913.42, 281,896.62 and 172,146.42 is: 256,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,913.42 : 281,896.62 = 172,146.42 : x
  2. Step 2: Convert to fraction form
    188,913.42/281,896.62 = 172,146.42/x
  3. Step 3: Cross multiply
    188,913.42x = 281,896.62 × 172,146.42
  4. Step 4: Simplify right side
    188,913.42x = 48,527,493,943.10
  5. Step 5: Solve for x
    x = 48,527,493,943.10/188,913.42
  6. Step 6: Final answer
    x = 256,876.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.