Home / 126,546.71-190,115.30-73,993.10

Finding the Fourth Proportional to 126,546.71, 190,115.30 and 73,993.10

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Solution

The fourth proportional to 126,546.71, 190,115.30 and 73,993.10 is: 111,162.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,546.71 : 190,115.30 = 73,993.10 : x
  2. Step 2: Convert to fraction form
    126,546.71/190,115.30 = 73,993.10/x
  3. Step 3: Cross multiply
    126,546.71x = 190,115.30 × 73,993.10
  4. Step 4: Simplify right side
    126,546.71x = 14,067,219,638.84
  5. Step 5: Solve for x
    x = 14,067,219,638.84/126,546.71
  6. Step 6: Final answer
    x = 111,162.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.