Finding the Fourth Proportional to 226,115.26, 311,950.23 and 135,475.03
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Solution
The fourth proportional to 226,115.26, 311,950.23 and 135,475.03 is: 186,902.32
Step by Step Solution
- Step 1: Write the proportion equation
226,115.26 : 311,950.23 = 135,475.03 : x - Step 2: Convert to fraction form
226,115.26/311,950.23 = 135,475.03/x - Step 3: Cross multiply
226,115.26x = 311,950.23 × 135,475.03 - Step 4: Simplify right side
226,115.26x = 42,261,466,767.76 - Step 5: Solve for x
x = 42,261,466,767.76/226,115.26 - Step 6: Final answer
x = 186,902.32
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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.