Home / 188,942.45-260,728.74-104,059.49

Finding the Fourth Proportional to 188,942.45, 260,728.74 and 104,059.49

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Solution

The fourth proportional to 188,942.45, 260,728.74 and 104,059.49 is: 143,595.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,942.45 : 260,728.74 = 104,059.49 : x
  2. Step 2: Convert to fraction form
    188,942.45/260,728.74 = 104,059.49/x
  3. Step 3: Cross multiply
    188,942.45x = 260,728.74 × 104,059.49
  4. Step 4: Simplify right side
    188,942.45x = 27,131,298,409.10
  5. Step 5: Solve for x
    x = 27,131,298,409.10/188,942.45
  6. Step 6: Final answer
    x = 143,595.57

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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.