Finding the Fourth Proportional to 146,830.58, 202,578 and 82,290.38
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Solution
The fourth proportional to 146,830.58, 202,578 and 82,290.38 is: 113,533.71
Step by Step Solution
- Step 1: Write the proportion equation
146,830.58 : 202,578 = 82,290.38 : x - Step 2: Convert to fraction form
146,830.58/202,578 = 82,290.38/x - Step 3: Cross multiply
146,830.58x = 202,578 × 82,290.38 - Step 4: Simplify right side
146,830.58x = 16,670,220,599.64 - Step 5: Solve for x
x = 16,670,220,599.64/146,830.58 - Step 6: Final answer
x = 113,533.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.