Finding the Fourth Proportional to 190,176.92, 262,461.75 and 105,293.99
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Solution
The fourth proportional to 190,176.92, 262,461.75 and 105,293.99 is: 145,315.45
Step by Step Solution
- Step 1: Write the proportion equation
190,176.92 : 262,461.75 = 105,293.99 : x - Step 2: Convert to fraction form
190,176.92/262,461.75 = 105,293.99/x - Step 3: Cross multiply
190,176.92x = 262,461.75 × 105,293.99 - Step 4: Simplify right side
190,176.92x = 27,635,643,567.57 - Step 5: Solve for x
x = 27,635,643,567.57/190,176.92 - Step 6: Final answer
x = 145,315.45
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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.