Home / 198,848.25-274,410.63-109,424.25

Finding the Fourth Proportional to 198,848.25, 274,410.63 and 109,424.25

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Solution

The fourth proportional to 198,848.25, 274,410.63 and 109,424.25 is: 151,005.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,848.25 : 274,410.63 = 109,424.25 : x
  2. Step 2: Convert to fraction form
    198,848.25/274,410.63 = 109,424.25/x
  3. Step 3: Cross multiply
    198,848.25x = 274,410.63 × 109,424.25
  4. Step 4: Simplify right side
    198,848.25x = 30,027,177,379.78
  5. Step 5: Solve for x
    x = 30,027,177,379.78/198,848.25
  6. Step 6: Final answer
    x = 151,005.49

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1.5x scale

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.