Home / 125,840.40-188,629.37-51,012.19

Finding the Fourth Proportional to 125,840.40, 188,629.37 and 51,012.19

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Solution

The fourth proportional to 125,840.40, 188,629.37 and 51,012.19 is: 76,465.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,840.40 : 188,629.37 = 51,012.19 : x
  2. Step 2: Convert to fraction form
    125,840.40/188,629.37 = 51,012.19/x
  3. Step 3: Cross multiply
    125,840.40x = 188,629.37 × 51,012.19
  4. Step 4: Simplify right side
    125,840.40x = 9,622,397,262.02
  5. Step 5: Solve for x
    x = 9,622,397,262.02/125,840.40
  6. Step 6: Final answer
    x = 76,465.09

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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.