Finding the Fourth Proportional to 186,386.63, 257,237.84 and 110,935.13
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Solution
The fourth proportional to 186,386.63, 257,237.84 and 110,935.13 is: 153,104.94
Step by Step Solution
- Step 1: Write the proportion equation
186,386.63 : 257,237.84 = 110,935.13 : x - Step 2: Convert to fraction form
186,386.63/257,237.84 = 110,935.13/x - Step 3: Cross multiply
186,386.63x = 257,237.84 × 110,935.13 - Step 4: Simplify right side
186,386.63x = 28,536,712,212.47 - Step 5: Solve for x
x = 28,536,712,212.47/186,386.63 - Step 6: Final answer
x = 153,104.94
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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.