Finding the Fourth Proportional to 220,449.09, 304,224.75 and 119,847.09
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Solution
The fourth proportional to 220,449.09, 304,224.75 and 119,847.09 is: 165,391.71
Step by Step Solution
- Step 1: Write the proportion equation
220,449.09 : 304,224.75 = 119,847.09 : x - Step 2: Convert to fraction form
220,449.09/304,224.75 = 119,847.09/x - Step 3: Cross multiply
220,449.09x = 304,224.75 × 119,847.09 - Step 4: Simplify right side
220,449.09x = 36,460,450,993.48 - Step 5: Solve for x
x = 36,460,450,993.48/220,449.09 - Step 6: Final answer
x = 165,391.71
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1.5x scale
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.