Finding the Fourth Proportional to 253,459,747.08, 349,714,503 and 143,451,460.08
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Solution
The fourth proportional to 253,459,747.08, 349,714,503 and 143,451,460.08 is: 197,929,085.96
Step by Step Solution
- Step 1: Write the proportion equation
253,459,747.08 : 349,714,503 = 143,451,460.08 : x - Step 2: Convert to fraction form
253,459,747.08/349,714,503 = 143,451,460.08/x - Step 3: Cross multiply
253,459,747.08x = 349,714,503 × 143,451,460.08 - Step 4: Simplify right side
253,459,747.08x = 50,167,056,066,501,544 - Step 5: Solve for x
x = 50,167,056,066,501,544/253,459,747.08 - Step 6: Final answer
x = 197,929,085.96
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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.