Finding the Fourth Proportional to 195,653.71, 293,433.36 and 81,739.99
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Solution
The fourth proportional to 195,653.71, 293,433.36 and 81,739.99 is: 122,590.26
Step by Step Solution
- Step 1: Write the proportion equation
195,653.71 : 293,433.36 = 81,739.99 : x - Step 2: Convert to fraction form
195,653.71/293,433.36 = 81,739.99/x - Step 3: Cross multiply
195,653.71x = 293,433.36 × 81,739.99 - Step 4: Simplify right side
195,653.71x = 23,985,239,011.45 - Step 5: Solve for x
x = 23,985,239,011.45/195,653.71 - Step 6: Final answer
x = 122,590.26
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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.