Finding the Fourth Proportional to 216,492.62, 298,750.42 and 118,374.06
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Solution
The fourth proportional to 216,492.62, 298,750.42 and 118,374.06 is: 163,351.07
Step by Step Solution
- Step 1: Write the proportion equation
216,492.62 : 298,750.42 = 118,374.06 : x - Step 2: Convert to fraction form
216,492.62/298,750.42 = 118,374.06/x - Step 3: Cross multiply
216,492.62x = 298,750.42 × 118,374.06 - Step 4: Simplify right side
216,492.62x = 35,364,299,550.23 - Step 5: Solve for x
x = 35,364,299,550.23/216,492.62 - Step 6: Final answer
x = 163,351.07
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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.