Home / 136,558.14-188,343.41-88,826.73

Finding the Fourth Proportional to 136,558.14, 188,343.41 and 88,826.73

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Solution

The fourth proportional to 136,558.14, 188,343.41 and 88,826.73 is: 122,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,558.14 : 188,343.41 = 88,826.73 : x
  2. Step 2: Convert to fraction form
    136,558.14/188,343.41 = 88,826.73/x
  3. Step 3: Cross multiply
    136,558.14x = 188,343.41 × 88,826.73
  4. Step 4: Simplify right side
    136,558.14x = 16,729,928,783.22
  5. Step 5: Solve for x
    x = 16,729,928,783.22/136,558.14
  6. Step 6: Final answer
    x = 122,511.40

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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.