Home / 412,837.40-619,110.30-146,606.60

Finding the Fourth Proportional to 412,837.40, 619,110.30 and 146,606.60

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Solution

The fourth proportional to 412,837.40, 619,110.30 and 146,606.60 is: 219,858.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,837.40 : 619,110.30 = 146,606.60 : x
  2. Step 2: Convert to fraction form
    412,837.40/619,110.30 = 146,606.60/x
  3. Step 3: Cross multiply
    412,837.40x = 619,110.30 × 146,606.60
  4. Step 4: Simplify right side
    412,837.40x = 90,765,656,107.98
  5. Step 5: Solve for x
    x = 90,765,656,107.98/412,837.40
  6. Step 6: Final answer
    x = 219,858.12

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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.