Finding the Fourth Proportional to 164,958.05, 247,561.47 and 120,698.99
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Solution
The fourth proportional to 164,958.05, 247,561.47 and 120,698.99 is: 181,139.50
Step by Step Solution
- Step 1: Write the proportion equation
164,958.05 : 247,561.47 = 120,698.99 : x - Step 2: Convert to fraction form
164,958.05/247,561.47 = 120,698.99/x - Step 3: Cross multiply
164,958.05x = 247,561.47 × 120,698.99 - Step 4: Simplify right side
164,958.05x = 29,880,419,391.92 - Step 5: Solve for x
x = 29,880,419,391.92/164,958.05 - Step 6: Final answer
x = 181,139.50
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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.