Finding the Fourth Proportional to 274,767.49, 379,180.14 and 160,124.75
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Solution
The fourth proportional to 274,767.49, 379,180.14 and 160,124.75 is: 220,972.74
Step by Step Solution
- Step 1: Write the proportion equation
274,767.49 : 379,180.14 = 160,124.75 : x - Step 2: Convert to fraction form
274,767.49/379,180.14 = 160,124.75/x - Step 3: Cross multiply
274,767.49x = 379,180.14 × 160,124.75 - Step 4: Simplify right side
274,767.49x = 60,716,124,048.02 - Step 5: Solve for x
x = 60,716,124,048.02/274,767.49 - Step 6: Final answer
x = 220,972.74
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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.