Finding the Fourth Proportional to 113,483.13, 156,611.57 and 63,182.13
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Solution
The fourth proportional to 113,483.13, 156,611.57 and 63,182.13 is: 87,194.04
Step by Step Solution
- Step 1: Write the proportion equation
113,483.13 : 156,611.57 = 63,182.13 : x - Step 2: Convert to fraction form
113,483.13/156,611.57 = 63,182.13/x - Step 3: Cross multiply
113,483.13x = 156,611.57 × 63,182.13 - Step 4: Simplify right side
113,483.13x = 9,895,052,575.24 - Step 5: Solve for x
x = 9,895,052,575.24/113,483.13 - Step 6: Final answer
x = 87,194.04
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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.