Finding the Fourth Proportional to 186,067.62, 256,891.95 and 122,515.02
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Solution
The fourth proportional to 186,067.62, 256,891.95 and 122,515.02 is: 169,148.84
Step by Step Solution
- Step 1: Write the proportion equation
186,067.62 : 256,891.95 = 122,515.02 : x - Step 2: Convert to fraction form
186,067.62/256,891.95 = 122,515.02/x - Step 3: Cross multiply
186,067.62x = 256,891.95 × 122,515.02 - Step 4: Simplify right side
186,067.62x = 31,473,122,392.09 - Step 5: Solve for x
x = 31,473,122,392.09/186,067.62 - Step 6: Final answer
x = 169,148.84
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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.