Finding the Fourth Proportional to 182,823.78, 274,007.35 and 126,212.95
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Solution
The fourth proportional to 182,823.78, 274,007.35 and 126,212.95 is: 189,161.79
Step by Step Solution
- Step 1: Write the proportion equation
182,823.78 : 274,007.35 = 126,212.95 : x - Step 2: Convert to fraction form
182,823.78/274,007.35 = 126,212.95/x - Step 3: Cross multiply
182,823.78x = 274,007.35 × 126,212.95 - Step 4: Simplify right side
182,823.78x = 34,583,273,964.08 - Step 5: Solve for x
x = 34,583,273,964.08/182,823.78 - Step 6: Final answer
x = 189,161.79
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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.