Home / 198,572.22-274,032.44-107,928.16

Finding the Fourth Proportional to 198,572.22, 274,032.44 and 107,928.16

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Solution

The fourth proportional to 198,572.22, 274,032.44 and 107,928.16 is: 148,942.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,572.22 : 274,032.44 = 107,928.16 : x
  2. Step 2: Convert to fraction form
    198,572.22/274,032.44 = 107,928.16/x
  3. Step 3: Cross multiply
    198,572.22x = 274,032.44 × 107,928.16
  4. Step 4: Simplify right side
    198,572.22x = 29,575,817,029.51
  5. Step 5: Solve for x
    x = 29,575,817,029.51/198,572.22
  6. Step 6: Final answer
    x = 148,942.37

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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.