Finding the Fourth Proportional to 163,923.99, 226,215.78 and 92,305.20
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Solution
The fourth proportional to 163,923.99, 226,215.78 and 92,305.20 is: 127,381.56
Step by Step Solution
- Step 1: Write the proportion equation
163,923.99 : 226,215.78 = 92,305.20 : x - Step 2: Convert to fraction form
163,923.99/226,215.78 = 92,305.20/x - Step 3: Cross multiply
163,923.99x = 226,215.78 × 92,305.20 - Step 4: Simplify right side
163,923.99x = 20,880,892,816.06 - Step 5: Solve for x
x = 20,880,892,816.06/163,923.99 - Step 6: Final answer
x = 127,381.56
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1.5x scale
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.