Finding the Fourth Proportional to 190,333.60, 262,541.45 and 122,438.99
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Solution
The fourth proportional to 190,333.60, 262,541.45 and 122,438.99 is: 168,889.32
Step by Step Solution
- Step 1: Write the proportion equation
190,333.60 : 262,541.45 = 122,438.99 : x - Step 2: Convert to fraction form
190,333.60/262,541.45 = 122,438.99/x - Step 3: Cross multiply
190,333.60x = 262,541.45 × 122,438.99 - Step 4: Simplify right side
190,333.60x = 32,145,310,933.59 - Step 5: Solve for x
x = 32,145,310,933.59/190,333.60 - Step 6: Final answer
x = 168,889.32
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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.