Home / 307,983.30-425,016.09-173,847.30

Finding the Fourth Proportional to 307,983.30, 425,016.09 and 173,847.30

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Solution

The fourth proportional to 307,983.30, 425,016.09 and 173,847.30 is: 239,908.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,983.30 : 425,016.09 = 173,847.30 : x
  2. Step 2: Convert to fraction form
    307,983.30/425,016.09 = 173,847.30/x
  3. Step 3: Cross multiply
    307,983.30x = 425,016.09 × 173,847.30
  4. Step 4: Simplify right side
    307,983.30x = 73,887,899,703.06
  5. Step 5: Solve for x
    x = 73,887,899,703.06/307,983.30
  6. Step 6: Final answer
    x = 239,908.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.