Finding the Fourth Proportional to 183,738.95, 253,495.73 and 115,761.99
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Solution
The fourth proportional to 183,738.95, 253,495.73 and 115,761.99 is: 159,711.21
Step by Step Solution
- Step 1: Write the proportion equation
183,738.95 : 253,495.73 = 115,761.99 : x - Step 2: Convert to fraction form
183,738.95/253,495.73 = 115,761.99/x - Step 3: Cross multiply
183,738.95x = 253,495.73 × 115,761.99 - Step 4: Simplify right side
183,738.95x = 29,345,169,582.49 - Step 5: Solve for x
x = 29,345,169,582.49/183,738.95 - Step 6: Final answer
x = 159,711.21
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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.