Finding the Fourth Proportional to 183,884.21, 253,804.07 and 112,324.49
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Solution
The fourth proportional to 183,884.21, 253,804.07 and 112,324.49 is: 155,034.58
Step by Step Solution
- Step 1: Write the proportion equation
183,884.21 : 253,804.07 = 112,324.49 : x - Step 2: Convert to fraction form
183,884.21/253,804.07 = 112,324.49/x - Step 3: Cross multiply
183,884.21x = 253,804.07 × 112,324.49 - Step 4: Simplify right side
183,884.21x = 28,508,412,161.05 - Step 5: Solve for x
x = 28,508,412,161.05/183,884.21 - Step 6: Final answer
x = 155,034.58
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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.