Finding the Fourth Proportional to 176,209.19, 243,171.02 and 95,637.68
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Solution
The fourth proportional to 176,209.19, 243,171.02 and 95,637.68 is: 131,981.27
Step by Step Solution
- Step 1: Write the proportion equation
176,209.19 : 243,171.02 = 95,637.68 : x - Step 2: Convert to fraction form
176,209.19/243,171.02 = 95,637.68/x - Step 3: Cross multiply
176,209.19x = 243,171.02 × 95,637.68 - Step 4: Simplify right side
176,209.19x = 23,256,312,196.03 - Step 5: Solve for x
x = 23,256,312,196.03/176,209.19 - Step 6: Final answer
x = 131,981.27
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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.