Finding the Fourth Proportional to 113,230.12, 156,240.43 and 62,244.99
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Solution
The fourth proportional to 113,230.12, 156,240.43 and 62,244.99 is: 85,888.67
Step by Step Solution
- Step 1: Write the proportion equation
113,230.12 : 156,240.43 = 62,244.99 : x - Step 2: Convert to fraction form
113,230.12/156,240.43 = 62,244.99/x - Step 3: Cross multiply
113,230.12x = 156,240.43 × 62,244.99 - Step 4: Simplify right side
113,230.12x = 9,725,184,002.95 - Step 5: Solve for x
x = 9,725,184,002.95/113,230.12 - Step 6: Final answer
x = 85,888.67
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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.