Finding the Fourth Proportional to 170,276.53, 234,736.12 and 119,130.80
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Solution
The fourth proportional to 170,276.53, 234,736.12 and 119,130.80 is: 164,228.75
Step by Step Solution
- Step 1: Write the proportion equation
170,276.53 : 234,736.12 = 119,130.80 : x - Step 2: Convert to fraction form
170,276.53/234,736.12 = 119,130.80/x - Step 3: Cross multiply
170,276.53x = 234,736.12 × 119,130.80 - Step 4: Simplify right side
170,276.53x = 27,964,301,764.50 - Step 5: Solve for x
x = 27,964,301,764.50/170,276.53 - Step 6: Final answer
x = 164,228.75
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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.