Finding the Fourth Proportional to 129,114.09, 178,127.49 and 95,202.84
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Solution
The fourth proportional to 129,114.09, 178,127.49 and 95,202.84 is: 131,343.09
Step by Step Solution
- Step 1: Write the proportion equation
129,114.09 : 178,127.49 = 95,202.84 : x - Step 2: Convert to fraction form
129,114.09/178,127.49 = 95,202.84/x - Step 3: Cross multiply
129,114.09x = 178,127.49 × 95,202.84 - Step 4: Simplify right side
129,114.09x = 16,958,242,930.07 - Step 5: Solve for x
x = 16,958,242,930.07/129,114.09 - Step 6: Final answer
x = 131,343.09
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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.