Finding the Fourth Proportional to 192,466.40, 265,612.08 and 107,583.20
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Solution
The fourth proportional to 192,466.40, 265,612.08 and 107,583.20 is: 148,469.54
Step by Step Solution
- Step 1: Write the proportion equation
192,466.40 : 265,612.08 = 107,583.20 : x - Step 2: Convert to fraction form
192,466.40/265,612.08 = 107,583.20/x - Step 3: Cross multiply
192,466.40x = 265,612.08 × 107,583.20 - Step 4: Simplify right side
192,466.40x = 28,575,397,525.06 - Step 5: Solve for x
x = 28,575,397,525.06/192,466.40 - Step 6: Final answer
x = 148,469.54
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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.