Finding the Fourth Proportional to 205,976.89, 284,253.36 and 115,351.99
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Solution
The fourth proportional to 205,976.89, 284,253.36 and 115,351.99 is: 159,188.69
Step by Step Solution
- Step 1: Write the proportion equation
205,976.89 : 284,253.36 = 115,351.99 : x - Step 2: Convert to fraction form
205,976.89/284,253.36 = 115,351.99/x - Step 3: Cross multiply
205,976.89x = 284,253.36 × 115,351.99 - Step 4: Simplify right side
205,976.89x = 32,789,190,740.19 - Step 5: Solve for x
x = 32,789,190,740.19/205,976.89 - Step 6: Final answer
x = 159,188.69
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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.