Home / 235,238.18-352,870.78-66,745.32

Finding the Fourth Proportional to 235,238.18, 352,870.78 and 66,745.32

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Solution

The fourth proportional to 235,238.18, 352,870.78 and 66,745.32 is: 100,121.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,238.18 : 352,870.78 = 66,745.32 : x
  2. Step 2: Convert to fraction form
    235,238.18/352,870.78 = 66,745.32/x
  3. Step 3: Cross multiply
    235,238.18x = 352,870.78 × 66,745.32
  4. Step 4: Simplify right side
    235,238.18x = 23,552,471,764.77
  5. Step 5: Solve for x
    x = 23,552,471,764.77/235,238.18
  6. Step 6: Final answer
    x = 100,121.81

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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.