Home / 127,696.56-176,173.29-73,961.97

Finding the Fourth Proportional to 127,696.56, 176,173.29 and 73,961.97

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Solution

The fourth proportional to 127,696.56, 176,173.29 and 73,961.97 is: 102,039.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,696.56 : 176,173.29 = 73,961.97 : x
  2. Step 2: Convert to fraction form
    127,696.56/176,173.29 = 73,961.97/x
  3. Step 3: Cross multiply
    127,696.56x = 176,173.29 × 73,961.97
  4. Step 4: Simplify right side
    127,696.56x = 13,030,123,589.78
  5. Step 5: Solve for x
    x = 13,030,123,589.78/127,696.56
  6. Step 6: Final answer
    x = 102,039.74

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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.