Finding the Fourth Proportional to 144,195.24, 198,708.34 and 103,832.79
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Solution
The fourth proportional to 144,195.24, 198,708.34 and 103,832.79 is: 143,086.84
Step by Step Solution
- Step 1: Write the proportion equation
144,195.24 : 198,708.34 = 103,832.79 : x - Step 2: Convert to fraction form
144,195.24/198,708.34 = 103,832.79/x - Step 3: Cross multiply
144,195.24x = 198,708.34 × 103,832.79 - Step 4: Simplify right side
144,195.24x = 20,632,441,338.47 - Step 5: Solve for x
x = 20,632,441,338.47/144,195.24 - Step 6: Final answer
x = 143,086.84
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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.