Home / 125,558.59-188,338.26-30,789.22

Finding the Fourth Proportional to 125,558.59, 188,338.26 and 30,789.22

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Solution

The fourth proportional to 125,558.59, 188,338.26 and 30,789.22 is: 46,183.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,558.59 : 188,338.26 = 30,789.22 : x
  2. Step 2: Convert to fraction form
    125,558.59/188,338.26 = 30,789.22/x
  3. Step 3: Cross multiply
    125,558.59x = 188,338.26 × 30,789.22
  4. Step 4: Simplify right side
    125,558.59x = 5,798,788,121.56
  5. Step 5: Solve for x
    x = 5,798,788,121.56/125,558.59
  6. Step 6: Final answer
    x = 46,183.92

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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.