Finding the Fourth Proportional to 229,863.40, 344,795.10 and 193,121.80
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Solution
The fourth proportional to 229,863.40, 344,795.10 and 193,121.80 is: 289,682.70
Step by Step Solution
- Step 1: Write the proportion equation
229,863.40 : 344,795.10 = 193,121.80 : x - Step 2: Convert to fraction form
229,863.40/344,795.10 = 193,121.80/x - Step 3: Cross multiply
229,863.40x = 344,795.10 × 193,121.80 - Step 4: Simplify right side
229,863.40x = 66,587,450,343.18 - Step 5: Solve for x
x = 66,587,450,343.18/229,863.40 - Step 6: Final answer
x = 289,682.70
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1.5x scale
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.