Home / 188,534.73-260,188.44-103,669.41

Finding the Fourth Proportional to 188,534.73, 260,188.44 and 103,669.41

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Solution

The fourth proportional to 188,534.73, 260,188.44 and 103,669.41 is: 143,069.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,534.73 : 260,188.44 = 103,669.41 : x
  2. Step 2: Convert to fraction form
    188,534.73/260,188.44 = 103,669.41/x
  3. Step 3: Cross multiply
    188,534.73x = 260,188.44 × 103,669.41
  4. Step 4: Simplify right side
    188,534.73x = 26,973,582,063.62
  5. Step 5: Solve for x
    x = 26,973,582,063.62/188,534.73
  6. Step 6: Final answer
    x = 143,069.57

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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.