Home / 127,274.87-175,629.03-73,563.36

Finding the Fourth Proportional to 127,274.87, 175,629.03 and 73,563.36

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Solution

The fourth proportional to 127,274.87, 175,629.03 and 73,563.36 is: 101,511.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,274.87 : 175,629.03 = 73,563.36 : x
  2. Step 2: Convert to fraction form
    127,274.87/175,629.03 = 73,563.36/x
  3. Step 3: Cross multiply
    127,274.87x = 175,629.03 × 73,563.36
  4. Step 4: Simplify right side
    127,274.87x = 12,919,861,560.34
  5. Step 5: Solve for x
    x = 12,919,861,560.34/127,274.87
  6. Step 6: Final answer
    x = 101,511.49

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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.