Finding the Fourth Proportional to 126,887.06, 190,343.45 and 46,946.14
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Solution
The fourth proportional to 126,887.06, 190,343.45 and 46,946.14 is: 70,423.96
Step by Step Solution
- Step 1: Write the proportion equation
126,887.06 : 190,343.45 = 46,946.14 : x - Step 2: Convert to fraction form
126,887.06/190,343.45 = 46,946.14/x - Step 3: Cross multiply
126,887.06x = 190,343.45 × 46,946.14 - Step 4: Simplify right side
126,887.06x = 8,935,889,893.29 - Step 5: Solve for x
x = 8,935,889,893.29/126,887.06 - Step 6: Final answer
x = 70,423.96
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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.