Finding the Fourth Proportional to 183,639.15, 253,474.52 and 119,106.99
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Solution
The fourth proportional to 183,639.15, 253,474.52 and 119,106.99 is: 164,401.69
Step by Step Solution
- Step 1: Write the proportion equation
183,639.15 : 253,474.52 = 119,106.99 : x - Step 2: Convert to fraction form
183,639.15/253,474.52 = 119,106.99/x - Step 3: Cross multiply
183,639.15x = 253,474.52 × 119,106.99 - Step 4: Simplify right side
183,639.15x = 30,190,586,523.36 - Step 5: Solve for x
x = 30,190,586,523.36/183,639.15 - Step 6: Final answer
x = 164,401.69
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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.