Home / 207,948.18-312,060.69-113,202.27

Finding the Fourth Proportional to 207,948.18, 312,060.69 and 113,202.27

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Solution

The fourth proportional to 207,948.18, 312,060.69 and 113,202.27 is: 169,878.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,948.18 : 312,060.69 = 113,202.27 : x
  2. Step 2: Convert to fraction form
    207,948.18/312,060.69 = 113,202.27/x
  3. Step 3: Cross multiply
    207,948.18x = 312,060.69 × 113,202.27
  4. Step 4: Simplify right side
    207,948.18x = 35,325,978,485.77
  5. Step 5: Solve for x
    x = 35,325,978,485.77/207,948.18
  6. Step 6: Final answer
    x = 169,878.76

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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.