Finding the Fourth Proportional to 134,465.80, 201,698.70 and 113,729.80
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Solution
The fourth proportional to 134,465.80, 201,698.70 and 113,729.80 is: 170,594.70
Step by Step Solution
- Step 1: Write the proportion equation
134,465.80 : 201,698.70 = 113,729.80 : x - Step 2: Convert to fraction form
134,465.80/201,698.70 = 113,729.80/x - Step 3: Cross multiply
134,465.80x = 201,698.70 × 113,729.80 - Step 4: Simplify right side
134,465.80x = 22,939,152,811.26 - Step 5: Solve for x
x = 22,939,152,811.26/134,465.80 - Step 6: Final answer
x = 170,594.70
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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.