Home / 125,479.20-188,209.68-41,238.36

Finding the Fourth Proportional to 125,479.20, 188,209.68 and 41,238.36

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Solution

The fourth proportional to 125,479.20, 188,209.68 and 41,238.36 is: 61,854.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,479.20 : 188,209.68 = 41,238.36 : x
  2. Step 2: Convert to fraction form
    125,479.20/188,209.68 = 41,238.36/x
  3. Step 3: Cross multiply
    125,479.20x = 188,209.68 × 41,238.36
  4. Step 4: Simplify right side
    125,479.20x = 7,761,458,539.32
  5. Step 5: Solve for x
    x = 7,761,458,539.32/125,479.20
  6. Step 6: Final answer
    x = 61,854.54

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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.