Finding the Fourth Proportional to 113,233.80, 169,850.70 and 73,867.80
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Solution
The fourth proportional to 113,233.80, 169,850.70 and 73,867.80 is: 110,801.70
Step by Step Solution
- Step 1: Write the proportion equation
113,233.80 : 169,850.70 = 73,867.80 : x - Step 2: Convert to fraction form
113,233.80/169,850.70 = 73,867.80/x - Step 3: Cross multiply
113,233.80x = 169,850.70 × 73,867.80 - Step 4: Simplify right side
113,233.80x = 12,546,497,537.46 - Step 5: Solve for x
x = 12,546,497,537.46/113,233.80 - Step 6: Final answer
x = 110,801.70
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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.