Finding the Fourth Proportional to 192,853.20, 288,106.95 and 124,831.06
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Solution
The fourth proportional to 192,853.20, 288,106.95 and 124,831.06 is: 186,487.42
Step by Step Solution
- Step 1: Write the proportion equation
192,853.20 : 288,106.95 = 124,831.06 : x - Step 2: Convert to fraction form
192,853.20/288,106.95 = 124,831.06/x - Step 3: Cross multiply
192,853.20x = 288,106.95 × 124,831.06 - Step 4: Simplify right side
192,853.20x = 35,964,695,961.87 - Step 5: Solve for x
x = 35,964,695,961.87/192,853.20 - Step 6: Final answer
x = 186,487.42
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.