Finding the Fourth Proportional to 121,183.92, 167,233.43 and 67,467.54
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Solution
The fourth proportional to 121,183.92, 167,233.43 and 67,467.54 is: 93,104.99
Step by Step Solution
- Step 1: Write the proportion equation
121,183.92 : 167,233.43 = 67,467.54 : x - Step 2: Convert to fraction form
121,183.92/167,233.43 = 67,467.54/x - Step 3: Cross multiply
121,183.92x = 167,233.43 × 67,467.54 - Step 4: Simplify right side
121,183.92x = 11,282,827,790.52 - Step 5: Solve for x
x = 11,282,827,790.52/121,183.92 - Step 6: Final answer
x = 93,104.99
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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.