Finding the Fourth Proportional to 214,062.99, 321,293.75 and 108,960.63
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Solution
The fourth proportional to 214,062.99, 321,293.75 and 108,960.63 is: 163,542.37
Step by Step Solution
- Step 1: Write the proportion equation
214,062.99 : 321,293.75 = 108,960.63 : x - Step 2: Convert to fraction form
214,062.99/321,293.75 = 108,960.63/x - Step 3: Cross multiply
214,062.99x = 321,293.75 × 108,960.63 - Step 4: Simplify right side
214,062.99x = 35,008,368,870.26 - Step 5: Solve for x
x = 35,008,368,870.26/214,062.99 - Step 6: Final answer
x = 163,542.37
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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.