Home / 188,074.60-259,543.26-103,192.27

Finding the Fourth Proportional to 188,074.60, 259,543.26 and 103,192.27

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Solution

The fourth proportional to 188,074.60, 259,543.26 and 103,192.27 is: 142,405.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,074.60 : 259,543.26 = 103,192.27 : x
  2. Step 2: Convert to fraction form
    188,074.60/259,543.26 = 103,192.27/x
  3. Step 3: Cross multiply
    188,074.60x = 259,543.26 × 103,192.27
  4. Step 4: Simplify right side
    188,074.60x = 26,782,858,162.60
  5. Step 5: Solve for x
    x = 26,782,858,162.60/188,074.60
  6. Step 6: Final answer
    x = 142,405.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.