Home / 125,352.69-188,010.57-41,121.75

Finding the Fourth Proportional to 125,352.69, 188,010.57 and 41,121.75

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Solution

The fourth proportional to 125,352.69, 188,010.57 and 41,121.75 is: 61,676.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,352.69 : 188,010.57 = 41,121.75 : x
  2. Step 2: Convert to fraction form
    125,352.69/188,010.57 = 41,121.75/x
  3. Step 3: Cross multiply
    125,352.69x = 188,010.57 × 41,121.75
  4. Step 4: Simplify right side
    125,352.69x = 7,731,323,656.90
  5. Step 5: Solve for x
    x = 7,731,323,656.90/125,352.69
  6. Step 6: Final answer
    x = 61,676.57

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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.