Finding the Fourth Proportional to 168,183.23, 232,091.60 and 91,703.63
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Solution
The fourth proportional to 168,183.23, 232,091.60 and 91,703.63 is: 126,550.33
Step by Step Solution
- Step 1: Write the proportion equation
168,183.23 : 232,091.60 = 91,703.63 : x - Step 2: Convert to fraction form
168,183.23/232,091.60 = 91,703.63/x - Step 3: Cross multiply
168,183.23x = 232,091.60 × 91,703.63 - Step 4: Simplify right side
168,183.23x = 21,283,642,334.22 - Step 5: Solve for x
x = 21,283,642,334.22/168,183.23 - Step 6: Final answer
x = 126,550.33
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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.