Home / 120,610.80-180,932.40-41,749.20

Finding the Fourth Proportional to 120,610.80, 180,932.40 and 41,749.20

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Solution

The fourth proportional to 120,610.80, 180,932.40 and 41,749.20 is: 62,629.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,610.80 : 180,932.40 = 41,749.20 : x
  2. Step 2: Convert to fraction form
    120,610.80/180,932.40 = 41,749.20/x
  3. Step 3: Cross multiply
    120,610.80x = 180,932.40 × 41,749.20
  4. Step 4: Simplify right side
    120,610.80x = 7,553,782,954.08
  5. Step 5: Solve for x
    x = 7,553,782,954.08/120,610.80
  6. Step 6: Final answer
    x = 62,629.41

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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.