Finding the Fourth Proportional to 276,969.85, 382,533.67 and 186,168.17
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Solution
The fourth proportional to 276,969.85, 382,533.67 and 186,168.17 is: 257,123.99
Step by Step Solution
- Step 1: Write the proportion equation
276,969.85 : 382,533.67 = 186,168.17 : x - Step 2: Convert to fraction form
276,969.85/382,533.67 = 186,168.17/x - Step 3: Cross multiply
276,969.85x = 382,533.67 × 186,168.17 - Step 4: Simplify right side
276,969.85x = 71,215,593,307.28 - Step 5: Solve for x
x = 71,215,593,307.28/276,969.85 - Step 6: Final answer
x = 257,123.99
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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.