Finding the Fourth Proportional to 221,682.10, 332,523.15 and 133,035.70
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Solution
The fourth proportional to 221,682.10, 332,523.15 and 133,035.70 is: 199,553.55
Step by Step Solution
- Step 1: Write the proportion equation
221,682.10 : 332,523.15 = 133,035.70 : x - Step 2: Convert to fraction form
221,682.10/332,523.15 = 133,035.70/x - Step 3: Cross multiply
221,682.10x = 332,523.15 × 133,035.70 - Step 4: Simplify right side
221,682.10x = 44,237,450,026.46 - Step 5: Solve for x
x = 44,237,450,026.46/221,682.10 - Step 6: Final answer
x = 199,553.55
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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.