Home / 344,104.73-516,039.44-130,821.20

Finding the Fourth Proportional to 344,104.73, 516,039.44 and 130,821.20

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Solution

The fourth proportional to 344,104.73, 516,039.44 and 130,821.20 is: 196,187.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,104.73 : 516,039.44 = 130,821.20 : x
  2. Step 2: Convert to fraction form
    344,104.73/516,039.44 = 130,821.20/x
  3. Step 3: Cross multiply
    344,104.73x = 516,039.44 × 130,821.20
  4. Step 4: Simplify right side
    344,104.73x = 67,508,895,553.82
  5. Step 5: Solve for x
    x = 67,508,895,553.82/344,104.73
  6. Step 6: Final answer
    x = 196,187.06

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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.