Home / 188,411.08-281,390.33-168,815.56

Finding the Fourth Proportional to 188,411.08, 281,390.33 and 168,815.56

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Solution

The fourth proportional to 188,411.08, 281,390.33 and 168,815.56 is: 252,124.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,411.08 : 281,390.33 = 168,815.56 : x
  2. Step 2: Convert to fraction form
    188,411.08/281,390.33 = 168,815.56/x
  3. Step 3: Cross multiply
    188,411.08x = 281,390.33 × 168,815.56
  4. Step 4: Simplify right side
    188,411.08x = 47,503,066,137.53
  5. Step 5: Solve for x
    x = 47,503,066,137.53/188,411.08
  6. Step 6: Final answer
    x = 252,124.59

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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.