Home / 135,904.20-203,856.30-113,760.83

Finding the Fourth Proportional to 135,904.20, 203,856.30 and 113,760.83

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Solution

The fourth proportional to 135,904.20, 203,856.30 and 113,760.83 is: 170,641.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,904.20 : 203,856.30 = 113,760.83 : x
  2. Step 2: Convert to fraction form
    135,904.20/203,856.30 = 113,760.83/x
  3. Step 3: Cross multiply
    135,904.20x = 203,856.30 × 113,760.83
  4. Step 4: Simplify right side
    135,904.20x = 23,190,860,869.45
  5. Step 5: Solve for x
    x = 23,190,860,869.45/135,904.20
  6. Step 6: Final answer
    x = 170,641.24

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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.