Finding the Fourth Proportional to 197,676.11, 272,793.56 and 107,033.19
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Solution
The fourth proportional to 197,676.11, 272,793.56 and 107,033.19 is: 147,706.09
Step by Step Solution
- Step 1: Write the proportion equation
197,676.11 : 272,793.56 = 107,033.19 : x - Step 2: Convert to fraction form
197,676.11/272,793.56 = 107,033.19/x - Step 3: Cross multiply
197,676.11x = 272,793.56 × 107,033.19 - Step 4: Simplify right side
197,676.11x = 29,197,964,403.09 - Step 5: Solve for x
x = 29,197,964,403.09/197,676.11 - Step 6: Final answer
x = 147,706.09
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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.