Finding the Fourth Proportional to 226,316.11, 339,474.62 and 84,192.55
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Solution
The fourth proportional to 226,316.11, 339,474.62 and 84,192.55 is: 126,288.99
Step by Step Solution
- Step 1: Write the proportion equation
226,316.11 : 339,474.62 = 84,192.55 : x - Step 2: Convert to fraction form
226,316.11/339,474.62 = 84,192.55/x - Step 3: Cross multiply
226,316.11x = 339,474.62 × 84,192.55 - Step 4: Simplify right side
226,316.11x = 28,581,232,806.29 - Step 5: Solve for x
x = 28,581,232,806.29/226,316.11 - Step 6: Final answer
x = 126,288.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.