Finding the Fourth Proportional to 190,716.96, 263,160.18 and 114,218.13
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Solution
The fourth proportional to 190,716.96, 263,160.18 and 114,218.13 is: 157,603.52
Step by Step Solution
- Step 1: Write the proportion equation
190,716.96 : 263,160.18 = 114,218.13 : x - Step 2: Convert to fraction form
190,716.96/263,160.18 = 114,218.13/x - Step 3: Cross multiply
190,716.96x = 263,160.18 × 114,218.13 - Step 4: Simplify right side
190,716.96x = 30,057,663,650.06 - Step 5: Solve for x
x = 30,057,663,650.06/190,716.96 - Step 6: Final answer
x = 157,603.52
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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.