Finding the Fourth Proportional to 213,735.24, 294,959.82 and 118,243.80
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Solution
The fourth proportional to 213,735.24, 294,959.82 and 118,243.80 is: 163,179.31
Step by Step Solution
- Step 1: Write the proportion equation
213,735.24 : 294,959.82 = 118,243.80 : x - Step 2: Convert to fraction form
213,735.24/294,959.82 = 118,243.80/x - Step 3: Cross multiply
213,735.24x = 294,959.82 × 118,243.80 - Step 4: Simplify right side
213,735.24x = 34,877,169,964.12 - Step 5: Solve for x
x = 34,877,169,964.12/213,735.24 - Step 6: Final answer
x = 163,179.31
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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.