Home / 158,821.44-219,276.16-98,456.60

Finding the Fourth Proportional to 158,821.44, 219,276.16 and 98,456.60

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Solution

The fourth proportional to 158,821.44, 219,276.16 and 98,456.60 is: 135,933.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,821.44 : 219,276.16 = 98,456.60 : x
  2. Step 2: Convert to fraction form
    158,821.44/219,276.16 = 98,456.60/x
  3. Step 3: Cross multiply
    158,821.44x = 219,276.16 × 98,456.60
  4. Step 4: Simplify right side
    158,821.44x = 21,589,185,174.66
  5. Step 5: Solve for x
    x = 21,589,185,174.66/158,821.44
  6. Step 6: Final answer
    x = 135,933.69

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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.