Finding the Fourth Proportional to 227,216.49, 313,544.59 and 125,242.75
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Solution
The fourth proportional to 227,216.49, 313,544.59 and 125,242.75 is: 172,827.19
Step by Step Solution
- Step 1: Write the proportion equation
227,216.49 : 313,544.59 = 125,242.75 : x - Step 2: Convert to fraction form
227,216.49/313,544.59 = 125,242.75/x - Step 3: Cross multiply
227,216.49x = 313,544.59 × 125,242.75 - Step 4: Simplify right side
227,216.49x = 39,269,186,699.22 - Step 5: Solve for x
x = 39,269,186,699.22/227,216.49 - Step 6: Final answer
x = 172,827.19
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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.