Home / 111,140.58-166,804.11-104,134.26

Finding the Fourth Proportional to 111,140.58, 166,804.11 and 104,134.26

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Solution

The fourth proportional to 111,140.58, 166,804.11 and 104,134.26 is: 156,288.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,140.58 : 166,804.11 = 104,134.26 : x
  2. Step 2: Convert to fraction form
    111,140.58/166,804.11 = 104,134.26/x
  3. Step 3: Cross multiply
    111,140.58x = 166,804.11 × 104,134.26
  4. Step 4: Simplify right side
    111,140.58x = 17,370,022,559.81
  5. Step 5: Solve for x
    x = 17,370,022,559.81/111,140.58
  6. Step 6: Final answer
    x = 156,288.75

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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.