Finding the Fourth Proportional to 187,810.14, 259,062.84 and 153,404.87
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Solution
The fourth proportional to 187,810.14, 259,062.84 and 153,404.87 is: 211,604.66
Step by Step Solution
- Step 1: Write the proportion equation
187,810.14 : 259,062.84 = 153,404.87 : x - Step 2: Convert to fraction form
187,810.14/259,062.84 = 153,404.87/x - Step 3: Cross multiply
187,810.14x = 259,062.84 × 153,404.87 - Step 4: Simplify right side
187,810.14x = 39,741,499,996.72 - Step 5: Solve for x
x = 39,741,499,996.72/187,810.14 - Step 6: Final answer
x = 211,604.66
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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.