Finding the Fourth Proportional to 173,480.04, 239,389.11 and 105,487.68
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Solution
The fourth proportional to 173,480.04, 239,389.11 and 105,487.68 is: 145,564.88
Step by Step Solution
- Step 1: Write the proportion equation
173,480.04 : 239,389.11 = 105,487.68 : x - Step 2: Convert to fraction form
173,480.04/239,389.11 = 105,487.68/x - Step 3: Cross multiply
173,480.04x = 239,389.11 × 105,487.68 - Step 4: Simplify right side
173,480.04x = 25,252,601,831.16 - Step 5: Solve for x
x = 25,252,601,831.16/173,480.04 - Step 6: Final answer
x = 145,564.88
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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.