Finding the Fourth Proportional to 274,816.92, 412,420.12 and 125,076.48
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Solution
The fourth proportional to 274,816.92, 412,420.12 and 125,076.48 is: 187,703.35
Step by Step Solution
- Step 1: Write the proportion equation
274,816.92 : 412,420.12 = 125,076.48 : x - Step 2: Convert to fraction form
274,816.92/412,420.12 = 125,076.48/x - Step 3: Cross multiply
274,816.92x = 412,420.12 × 125,076.48 - Step 4: Simplify right side
274,816.92x = 51,584,056,890.78 - Step 5: Solve for x
x = 51,584,056,890.78/274,816.92 - Step 6: Final answer
x = 187,703.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.