Finding the Fourth Proportional to 222,720.67, 307,350.75 and 125,922.92
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Solution
The fourth proportional to 222,720.67, 307,350.75 and 125,922.92 is: 173,771.50
Step by Step Solution
- Step 1: Write the proportion equation
222,720.67 : 307,350.75 = 125,922.92 : x - Step 2: Convert to fraction form
222,720.67/307,350.75 = 125,922.92/x - Step 3: Cross multiply
222,720.67x = 307,350.75 × 125,922.92 - Step 4: Simplify right side
222,720.67x = 38,702,504,568.50 - Step 5: Solve for x
x = 38,702,504,568.50/222,720.67 - Step 6: Final answer
x = 173,771.50
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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.