Finding the Fourth Proportional to 135,529.14, 203,258.28 and 40,733.98
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Solution
The fourth proportional to 135,529.14, 203,258.28 and 40,733.98 is: 61,090.32
Step by Step Solution
- Step 1: Write the proportion equation
135,529.14 : 203,258.28 = 40,733.98 : x - Step 2: Convert to fraction form
135,529.14/203,258.28 = 40,733.98/x - Step 3: Cross multiply
135,529.14x = 203,258.28 × 40,733.98 - Step 4: Simplify right side
135,529.14x = 8,279,518,712.35 - Step 5: Solve for x
x = 8,279,518,712.35/135,529.14 - Step 6: Final answer
x = 61,090.32
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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.