Finding the Fourth Proportional to 188,936.84, 260,730.72 and 104,052.08
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Solution
The fourth proportional to 188,936.84, 260,730.72 and 104,052.08 is: 143,590.70
Step by Step Solution
- Step 1: Write the proportion equation
188,936.84 : 260,730.72 = 104,052.08 : x - Step 2: Convert to fraction form
188,936.84/260,730.72 = 104,052.08/x - Step 3: Cross multiply
188,936.84x = 260,730.72 × 104,052.08 - Step 4: Simplify right side
188,936.84x = 27,129,573,735.90 - Step 5: Solve for x
x = 27,129,573,735.90/188,936.84 - Step 6: Final answer
x = 143,590.70
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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.