Finding the Fourth Proportional to 140,675.63, 194,079.36 and 92,304.26
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Solution
The fourth proportional to 140,675.63, 194,079.36 and 92,304.26 is: 127,345.09
Step by Step Solution
- Step 1: Write the proportion equation
140,675.63 : 194,079.36 = 92,304.26 : x - Step 2: Convert to fraction form
140,675.63/194,079.36 = 92,304.26/x - Step 3: Cross multiply
140,675.63x = 194,079.36 × 92,304.26 - Step 4: Simplify right side
140,675.63x = 17,914,350,735.68 - Step 5: Solve for x
x = 17,914,350,735.68/140,675.63 - Step 6: Final answer
x = 127,345.09
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1.5x scale
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.