Finding the Fourth Proportional to 283,197.18, 424,727.73 and 83,463.60
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Solution
The fourth proportional to 283,197.18, 424,727.73 and 83,463.60 is: 125,175.35
Step by Step Solution
- Step 1: Write the proportion equation
283,197.18 : 424,727.73 = 83,463.60 : x - Step 2: Convert to fraction form
283,197.18/424,727.73 = 83,463.60/x - Step 3: Cross multiply
283,197.18x = 424,727.73 × 83,463.60 - Step 4: Simplify right side
283,197.18x = 35,449,305,365.63 - Step 5: Solve for x
x = 35,449,305,365.63/283,197.18 - Step 6: Final answer
x = 125,175.35
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1.5x scale
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.