Finding the Fourth Proportional to 114,959.58, 158,599.20 and 84,817.26
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Solution
The fourth proportional to 114,959.58, 158,599.20 and 84,817.26 is: 117,014.60
Step by Step Solution
- Step 1: Write the proportion equation
114,959.58 : 158,599.20 = 84,817.26 : x - Step 2: Convert to fraction form
114,959.58/158,599.20 = 84,817.26/x - Step 3: Cross multiply
114,959.58x = 158,599.20 × 84,817.26 - Step 4: Simplify right side
114,959.58x = 13,451,949,582.19 - Step 5: Solve for x
x = 13,451,949,582.19/114,959.58 - Step 6: Final answer
x = 117,014.60
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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.