Finding the Fourth Proportional to 293,394.96, 440,149.02 and 124,912.20
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Solution
The fourth proportional to 293,394.96, 440,149.02 and 124,912.20 is: 187,392.39
Step by Step Solution
- Step 1: Write the proportion equation
293,394.96 : 440,149.02 = 124,912.20 : x - Step 2: Convert to fraction form
293,394.96/440,149.02 = 124,912.20/x - Step 3: Cross multiply
293,394.96x = 440,149.02 × 124,912.20 - Step 4: Simplify right side
293,394.96x = 54,979,982,416.04 - Step 5: Solve for x
x = 54,979,982,416.04/293,394.96 - Step 6: Final answer
x = 187,392.39
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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.