Finding the Fourth Proportional to 187,867.12, 259,228.94 and 114,241.99
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Solution
The fourth proportional to 187,867.12, 259,228.94 and 114,241.99 is: 157,637.11
Step by Step Solution
- Step 1: Write the proportion equation
187,867.12 : 259,228.94 = 114,241.99 : x - Step 2: Convert to fraction form
187,867.12/259,228.94 = 114,241.99/x - Step 3: Cross multiply
187,867.12x = 259,228.94 × 114,241.99 - Step 4: Simplify right side
187,867.12x = 29,614,828,532.24 - Step 5: Solve for x
x = 29,614,828,532.24/187,867.12 - Step 6: Final answer
x = 157,637.11
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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.