Finding the Fourth Proportional to 134,451,258.80, 201,676,888.20 and 131,465,274.80
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Solution
The fourth proportional to 134,451,258.80, 201,676,888.20 and 131,465,274.80 is: 197,197,912.20
Step by Step Solution
- Step 1: Write the proportion equation
134,451,258.80 : 201,676,888.20 = 131,465,274.80 : x - Step 2: Convert to fraction form
134,451,258.80/201,676,888.20 = 131,465,274.80/x - Step 3: Cross multiply
134,451,258.80x = 201,676,888.20 × 131,465,274.80 - Step 4: Simplify right side
134,451,258.80x = 26,513,507,528,021,876 - Step 5: Solve for x
x = 26,513,507,528,021,876/134,451,258.80 - Step 6: Final answer
x = 197,197,912.20
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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.