Finding the Fourth Proportional to 113,083.80, 169,625.70 and 110,491.80
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Solution
The fourth proportional to 113,083.80, 169,625.70 and 110,491.80 is: 165,737.70
Step by Step Solution
- Step 1: Write the proportion equation
113,083.80 : 169,625.70 = 110,491.80 : x - Step 2: Convert to fraction form
113,083.80/169,625.70 = 110,491.80/x - Step 3: Cross multiply
113,083.80x = 169,625.70 × 110,491.80 - Step 4: Simplify right side
113,083.80x = 18,742,248,919.26 - Step 5: Solve for x
x = 18,742,248,919.26/113,083.80 - Step 6: Final answer
x = 165,737.70
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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.