Home / 188,095.12-281,768.98-103,645.83

Finding the Fourth Proportional to 188,095.12, 281,768.98 and 103,645.83

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Solution

The fourth proportional to 188,095.12, 281,768.98 and 103,645.83 is: 155,262.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,095.12 : 281,768.98 = 103,645.83 : x
  2. Step 2: Convert to fraction form
    188,095.12/281,768.98 = 103,645.83/x
  3. Step 3: Cross multiply
    188,095.12x = 281,768.98 × 103,645.83
  4. Step 4: Simplify right side
    188,095.12x = 29,204,179,800.35
  5. Step 5: Solve for x
    x = 29,204,179,800.35/188,095.12
  6. Step 6: Final answer
    x = 155,262.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.