Finding the Fourth Proportional to 185,518.18, 256,015.17 and 104,943.99
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Solution
The fourth proportional to 185,518.18, 256,015.17 and 104,943.99 is: 144,822.75
Step by Step Solution
- Step 1: Write the proportion equation
185,518.18 : 256,015.17 = 104,943.99 : x - Step 2: Convert to fraction form
185,518.18/256,015.17 = 104,943.99/x - Step 3: Cross multiply
185,518.18x = 256,015.17 × 104,943.99 - Step 4: Simplify right side
185,518.18x = 26,867,253,440.33 - Step 5: Solve for x
x = 26,867,253,440.33/185,518.18 - Step 6: Final answer
x = 144,822.75
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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.