Finding the Fourth Proportional to 192,133.09, 265,144.40 and 106,090.63
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Solution
The fourth proportional to 192,133.09, 265,144.40 and 106,090.63 is: 146,405.48
Step by Step Solution
- Step 1: Write the proportion equation
192,133.09 : 265,144.40 = 106,090.63 : x - Step 2: Convert to fraction form
192,133.09/265,144.40 = 106,090.63/x - Step 3: Cross multiply
192,133.09x = 265,144.40 × 106,090.63 - Step 4: Simplify right side
192,133.09x = 28,129,336,436.97 - Step 5: Solve for x
x = 28,129,336,436.97/192,133.09 - Step 6: Final answer
x = 146,405.48
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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.