Finding the Fourth Proportional to 193,468.49, 267,042.28 and 116,987.73
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Solution
The fourth proportional to 193,468.49, 267,042.28 and 116,987.73 is: 161,476.79
Step by Step Solution
- Step 1: Write the proportion equation
193,468.49 : 267,042.28 = 116,987.73 : x - Step 2: Convert to fraction form
193,468.49/267,042.28 = 116,987.73/x - Step 3: Cross multiply
193,468.49x = 267,042.28 × 116,987.73 - Step 4: Simplify right side
193,468.49x = 31,240,670,151.22 - Step 5: Solve for x
x = 31,240,670,151.22/193,468.49 - Step 6: Final answer
x = 161,476.79
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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.