Finding the Fourth Proportional to 183,047.97, 252,428.75 and 142,747.03
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Solution
The fourth proportional to 183,047.97, 252,428.75 and 142,747.03 is: 196,852.52
Step by Step Solution
- Step 1: Write the proportion equation
183,047.97 : 252,428.75 = 142,747.03 : x - Step 2: Convert to fraction form
183,047.97/252,428.75 = 142,747.03/x - Step 3: Cross multiply
183,047.97x = 252,428.75 × 142,747.03 - Step 4: Simplify right side
183,047.97x = 36,033,453,869.26 - Step 5: Solve for x
x = 36,033,453,869.26/183,047.97 - Step 6: Final answer
x = 196,852.52
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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.