Home / 195,028.40-292,456.20-89,879.60

Finding the Fourth Proportional to 195,028.40, 292,456.20 and 89,879.60

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Solution

The fourth proportional to 195,028.40, 292,456.20 and 89,879.60 is: 134,779.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,028.40 : 292,456.20 = 89,879.60 : x
  2. Step 2: Convert to fraction form
    195,028.40/292,456.20 = 89,879.60/x
  3. Step 3: Cross multiply
    195,028.40x = 292,456.20 × 89,879.60
  4. Step 4: Simplify right side
    195,028.40x = 26,285,846,273.52
  5. Step 5: Solve for x
    x = 26,285,846,273.52/195,028.40
  6. Step 6: Final answer
    x = 134,779.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.