Finding the Fourth Proportional to 151,849.96, 209,478.42 and 98,181
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Solution
The fourth proportional to 151,849.96, 209,478.42 and 98,181 is: 135,441.59
Step by Step Solution
- Step 1: Write the proportion equation
151,849.96 : 209,478.42 = 98,181 : x - Step 2: Convert to fraction form
151,849.96/209,478.42 = 98,181/x - Step 3: Cross multiply
151,849.96x = 209,478.42 × 98,181 - Step 4: Simplify right side
151,849.96x = 20,566,800,754.02 - Step 5: Solve for x
x = 20,566,800,754.02/151,849.96 - Step 6: Final answer
x = 135,441.59
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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.