Finding the Fourth Proportional to 174,107.36, 261,161.12 and 114,929.19
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Solution
The fourth proportional to 174,107.36, 261,161.12 and 114,929.19 is: 172,393.84
Step by Step Solution
- Step 1: Write the proportion equation
174,107.36 : 261,161.12 = 114,929.19 : x - Step 2: Convert to fraction form
174,107.36/261,161.12 = 114,929.19/x - Step 3: Cross multiply
174,107.36x = 261,161.12 × 114,929.19 - Step 4: Simplify right side
174,107.36x = 30,015,035,406.45 - Step 5: Solve for x
x = 30,015,035,406.45/174,107.36 - Step 6: Final answer
x = 172,393.84
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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.