Finding the Fourth Proportional to 213,916.44, 295,207.02 and 118,424.82
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Solution
The fourth proportional to 213,916.44, 295,207.02 and 118,424.82 is: 163,427.54
Step by Step Solution
- Step 1: Write the proportion equation
213,916.44 : 295,207.02 = 118,424.82 : x - Step 2: Convert to fraction form
213,916.44/295,207.02 = 118,424.82/x - Step 3: Cross multiply
213,916.44x = 295,207.02 × 118,424.82 - Step 4: Simplify right side
213,916.44x = 34,959,838,206.24 - Step 5: Solve for x
x = 34,959,838,206.24/213,916.44 - Step 6: Final answer
x = 163,427.54
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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.