Finding the Fourth Proportional to 176,669.64, 243,883.71 and 116,271.99
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Solution
The fourth proportional to 176,669.64, 243,883.71 and 116,271.99 is: 160,507.74
Step by Step Solution
- Step 1: Write the proportion equation
176,669.64 : 243,883.71 = 116,271.99 : x - Step 2: Convert to fraction form
176,669.64/243,883.71 = 116,271.99/x - Step 3: Cross multiply
176,669.64x = 243,883.71 × 116,271.99 - Step 4: Simplify right side
176,669.64x = 28,356,844,290.28 - Step 5: Solve for x
x = 28,356,844,290.28/176,669.64 - Step 6: Final answer
x = 160,507.74
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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.