Finding the Fourth Proportional to 148,102.20, 222,153.30 and 118,577.70
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Solution
The fourth proportional to 148,102.20, 222,153.30 and 118,577.70 is: 177,866.55
Step by Step Solution
- Step 1: Write the proportion equation
148,102.20 : 222,153.30 = 118,577.70 : x - Step 2: Convert to fraction form
148,102.20/222,153.30 = 118,577.70/x - Step 3: Cross multiply
148,102.20x = 222,153.30 × 118,577.70 - Step 4: Simplify right side
148,102.20x = 26,342,427,361.41 - Step 5: Solve for x
x = 26,342,427,361.41/148,102.20 - Step 6: Final answer
x = 177,866.55
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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.