Finding the Fourth Proportional to 187,937.46, 259,353.36 and 103,059.99
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Solution
The fourth proportional to 187,937.46, 259,353.36 and 103,059.99 is: 142,222.60
Step by Step Solution
- Step 1: Write the proportion equation
187,937.46 : 259,353.36 = 103,059.99 : x - Step 2: Convert to fraction form
187,937.46/259,353.36 = 103,059.99/x - Step 3: Cross multiply
187,937.46x = 259,353.36 × 103,059.99 - Step 4: Simplify right side
187,937.46x = 26,728,954,688.07 - Step 5: Solve for x
x = 26,728,954,688.07/187,937.46 - Step 6: Final answer
x = 142,222.60
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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.