Finding the Fourth Proportional to 292,855.13, 439,408.38 and 93,191.75
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Solution
The fourth proportional to 292,855.13, 439,408.38 and 93,191.75 is: 139,827.62
Step by Step Solution
- Step 1: Write the proportion equation
292,855.13 : 439,408.38 = 93,191.75 : x - Step 2: Convert to fraction form
292,855.13/439,408.38 = 93,191.75/x - Step 3: Cross multiply
292,855.13x = 439,408.38 × 93,191.75 - Step 4: Simplify right side
292,855.13x = 40,949,235,896.87 - Step 5: Solve for x
x = 40,949,235,896.87/292,855.13 - Step 6: Final answer
x = 139,827.62
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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.