Home / 146,999.10-220,170.60-113,610.90

Finding the Fourth Proportional to 146,999.10, 220,170.60 and 113,610.90

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Solution

The fourth proportional to 146,999.10, 220,170.60 and 113,610.90 is: 170,162.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,999.10 : 220,170.60 = 113,610.90 : x
  2. Step 2: Convert to fraction form
    146,999.10/220,170.60 = 113,610.90/x
  3. Step 3: Cross multiply
    146,999.10x = 220,170.60 × 113,610.90
  4. Step 4: Simplify right side
    146,999.10x = 25,013,780,019.54
  5. Step 5: Solve for x
    x = 25,013,780,019.54/146,999.10
  6. Step 6: Final answer
    x = 170,162.81

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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.