Finding the Fourth Proportional to 274,915.80, 412,244.28 and 106,515
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Solution
The fourth proportional to 274,915.80, 412,244.28 and 106,515 is: 159,722.36
Step by Step Solution
- Step 1: Write the proportion equation
274,915.80 : 412,244.28 = 106,515 : x - Step 2: Convert to fraction form
274,915.80/412,244.28 = 106,515/x - Step 3: Cross multiply
274,915.80x = 412,244.28 × 106,515 - Step 4: Simplify right side
274,915.80x = 43,910,199,484.20 - Step 5: Solve for x
x = 43,910,199,484.20/274,915.80 - Step 6: Final answer
x = 159,722.36
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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.