Finding the Fourth Proportional to 187,881.19, 259,279.38 and 101,842.99
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Solution
The fourth proportional to 187,881.19, 259,279.38 and 101,842.99 is: 140,545.13
Step by Step Solution
- Step 1: Write the proportion equation
187,881.19 : 259,279.38 = 101,842.99 : x - Step 2: Convert to fraction form
187,881.19/259,279.38 = 101,842.99/x - Step 3: Cross multiply
187,881.19x = 259,279.38 × 101,842.99 - Step 4: Simplify right side
187,881.19x = 26,405,786,656.35 - Step 5: Solve for x
x = 26,405,786,656.35/187,881.19 - Step 6: Final answer
x = 140,545.13
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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.