Finding the Fourth Proportional to 238,926.20, 329,718.36 and 131,504
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Solution
The fourth proportional to 238,926.20, 329,718.36 and 131,504 is: 181,475.63
Step by Step Solution
- Step 1: Write the proportion equation
238,926.20 : 329,718.36 = 131,504 : x - Step 2: Convert to fraction form
238,926.20/329,718.36 = 131,504/x - Step 3: Cross multiply
238,926.20x = 329,718.36 × 131,504 - Step 4: Simplify right side
238,926.20x = 43,359,283,213.44 - Step 5: Solve for x
x = 43,359,283,213.44/238,926.20 - Step 6: Final answer
x = 181,475.63
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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.