Finding the Fourth Proportional to 188,463.92, 259,993.50 and 115,800.84
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Solution
The fourth proportional to 188,463.92, 259,993.50 and 115,800.84 is: 159,751.88
Step by Step Solution
- Step 1: Write the proportion equation
188,463.92 : 259,993.50 = 115,800.84 : x - Step 2: Convert to fraction form
188,463.92/259,993.50 = 115,800.84/x - Step 3: Cross multiply
188,463.92x = 259,993.50 × 115,800.84 - Step 4: Simplify right side
188,463.92x = 30,107,465,694.54 - Step 5: Solve for x
x = 30,107,465,694.54/188,463.92 - Step 6: Final answer
x = 159,751.88
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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.