Home / 127,696.06-176,172.60-73,961.47

Finding the Fourth Proportional to 127,696.06, 176,172.60 and 73,961.47

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Solution

The fourth proportional to 127,696.06, 176,172.60 and 73,961.47 is: 102,039.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,696.06 : 176,172.60 = 73,961.47 : x
  2. Step 2: Convert to fraction form
    127,696.06/176,172.60 = 73,961.47/x
  3. Step 3: Cross multiply
    127,696.06x = 176,172.60 × 73,961.47
  4. Step 4: Simplify right side
    127,696.06x = 13,029,984,469.72
  5. Step 5: Solve for x
    x = 13,029,984,469.72/127,696.06
  6. Step 6: Final answer
    x = 102,039.05

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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.