Finding the Fourth Proportional to 186,894.02, 257,913.36 and 102,010.88
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Solution
The fourth proportional to 186,894.02, 257,913.36 and 102,010.88 is: 140,774.80
Step by Step Solution
- Step 1: Write the proportion equation
186,894.02 : 257,913.36 = 102,010.88 : x - Step 2: Convert to fraction form
186,894.02/257,913.36 = 102,010.88/x - Step 3: Cross multiply
186,894.02x = 257,913.36 × 102,010.88 - Step 4: Simplify right side
186,894.02x = 26,309,967,527.79 - Step 5: Solve for x
x = 26,309,967,527.79/186,894.02 - Step 6: Final answer
x = 140,774.80
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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.