Finding the Fourth Proportional to 229,839.84, 317,081.52 and 140,364
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Solution
The fourth proportional to 229,839.84, 317,081.52 and 140,364 is: 193,642.80
Step by Step Solution
- Step 1: Write the proportion equation
229,839.84 : 317,081.52 = 140,364 : x - Step 2: Convert to fraction form
229,839.84/317,081.52 = 140,364/x - Step 3: Cross multiply
229,839.84x = 317,081.52 × 140,364 - Step 4: Simplify right side
229,839.84x = 44,506,830,473.28 - Step 5: Solve for x
x = 44,506,830,473.28/229,839.84 - Step 6: Final answer
x = 193,642.80
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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.