Home / 188,554.23-260,198.19-103,670.64

Finding the Fourth Proportional to 188,554.23, 260,198.19 and 103,670.64

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Solution

The fourth proportional to 188,554.23, 260,198.19 and 103,670.64 is: 143,061.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,554.23 : 260,198.19 = 103,670.64 : x
  2. Step 2: Convert to fraction form
    188,554.23/260,198.19 = 103,670.64/x
  3. Step 3: Cross multiply
    188,554.23x = 260,198.19 × 103,670.64
  4. Step 4: Simplify right side
    188,554.23x = 26,974,912,884.14
  5. Step 5: Solve for x
    x = 26,974,912,884.14/188,554.23
  6. Step 6: Final answer
    x = 143,061.83

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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.