Finding the Fourth Proportional to 118,153.85, 177,257.11 and 33,907.44
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Solution
The fourth proportional to 118,153.85, 177,257.11 and 33,907.44 is: 50,868.72
Step by Step Solution
- Step 1: Write the proportion equation
118,153.85 : 177,257.11 = 33,907.44 : x - Step 2: Convert to fraction form
118,153.85/177,257.11 = 33,907.44/x - Step 3: Cross multiply
118,153.85x = 177,257.11 × 33,907.44 - Step 4: Simplify right side
118,153.85x = 6,010,334,737.13 - Step 5: Solve for x
x = 6,010,334,737.13/118,153.85 - Step 6: Final answer
x = 50,868.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.