Finding the Fourth Proportional to 113,257.27, 156,296.96 and 62,272.09
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Solution
The fourth proportional to 113,257.27, 156,296.96 and 62,272.09 is: 85,936.54
Step by Step Solution
- Step 1: Write the proportion equation
113,257.27 : 156,296.96 = 62,272.09 : x - Step 2: Convert to fraction form
113,257.27/156,296.96 = 62,272.09/x - Step 3: Cross multiply
113,257.27x = 156,296.96 × 62,272.09 - Step 4: Simplify right side
113,257.27x = 9,732,938,359.85 - Step 5: Solve for x
x = 9,732,938,359.85/113,257.27 - Step 6: Final answer
x = 85,936.54
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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.