Home / 146,419.20-219,628.80-41,236.80

Finding the Fourth Proportional to 146,419.20, 219,628.80 and 41,236.80

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Solution

The fourth proportional to 146,419.20, 219,628.80 and 41,236.80 is: 61,855.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,419.20 : 219,628.80 = 41,236.80 : x
  2. Step 2: Convert to fraction form
    146,419.20/219,628.80 = 41,236.80/x
  3. Step 3: Cross multiply
    146,419.20x = 219,628.80 × 41,236.80
  4. Step 4: Simplify right side
    146,419.20x = 9,056,788,899.84
  5. Step 5: Solve for x
    x = 9,056,788,899.84/146,419.20
  6. Step 6: Final answer
    x = 61,855.20

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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.