Home / 113,884.20-170,826.30-112,134.60

Finding the Fourth Proportional to 113,884.20, 170,826.30 and 112,134.60

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Solution

The fourth proportional to 113,884.20, 170,826.30 and 112,134.60 is: 168,201.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,884.20 : 170,826.30 = 112,134.60 : x
  2. Step 2: Convert to fraction form
    113,884.20/170,826.30 = 112,134.60/x
  3. Step 3: Cross multiply
    113,884.20x = 170,826.30 × 112,134.60
  4. Step 4: Simplify right side
    113,884.20x = 19,155,538,819.98
  5. Step 5: Solve for x
    x = 19,155,538,819.98/113,884.20
  6. Step 6: Final answer
    x = 168,201.90

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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.