Finding the Fourth Proportional to 194,711.80, 292,067.70 and 83,903.80
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Solution
The fourth proportional to 194,711.80, 292,067.70 and 83,903.80 is: 125,855.70
Step by Step Solution
- Step 1: Write the proportion equation
194,711.80 : 292,067.70 = 83,903.80 : x - Step 2: Convert to fraction form
194,711.80/292,067.70 = 83,903.80/x - Step 3: Cross multiply
194,711.80x = 292,067.70 × 83,903.80 - Step 4: Simplify right side
194,711.80x = 24,505,589,887.26 - Step 5: Solve for x
x = 24,505,589,887.26/194,711.80 - Step 6: Final answer
x = 125,855.70
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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.