Finding the Fourth Proportional to 221,714.70, 332,134.65 and 132,703.80
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Solution
The fourth proportional to 221,714.70, 332,134.65 and 132,703.80 is: 198,793.90
Step by Step Solution
- Step 1: Write the proportion equation
221,714.70 : 332,134.65 = 132,703.80 : x - Step 2: Convert to fraction form
221,714.70/332,134.65 = 132,703.80/x - Step 3: Cross multiply
221,714.70x = 332,134.65 × 132,703.80 - Step 4: Simplify right side
221,714.70x = 44,075,530,166.67 - Step 5: Solve for x
x = 44,075,530,166.67/221,714.70 - Step 6: Final answer
x = 198,793.90
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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.