Home / 412,828.22-619,216.14-146,553.68

Finding the Fourth Proportional to 412,828.22, 619,216.14 and 146,553.68

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Solution

The fourth proportional to 412,828.22, 619,216.14 and 146,553.68 is: 219,821.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,828.22 : 619,216.14 = 146,553.68 : x
  2. Step 2: Convert to fraction form
    412,828.22/619,216.14 = 146,553.68/x
  3. Step 3: Cross multiply
    412,828.22x = 619,216.14 × 146,553.68
  4. Step 4: Simplify right side
    412,828.22x = 90,748,404,032.40
  5. Step 5: Solve for x
    x = 90,748,404,032.40/412,828.22
  6. Step 6: Final answer
    x = 219,821.22

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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.