Finding the Fourth Proportional to 187,706.24, 258,827.04 and 119,615.36
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Solution
The fourth proportional to 187,706.24, 258,827.04 and 119,615.36 is: 164,936.92
Step by Step Solution
- Step 1: Write the proportion equation
187,706.24 : 258,827.04 = 119,615.36 : x - Step 2: Convert to fraction form
187,706.24/258,827.04 = 119,615.36/x - Step 3: Cross multiply
187,706.24x = 258,827.04 × 119,615.36 - Step 4: Simplify right side
187,706.24x = 30,959,688,273.20 - Step 5: Solve for x
x = 30,959,688,273.20/187,706.24 - Step 6: Final answer
x = 164,936.92
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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.