Home / 347,579.24-521,377.97-110,921.69

Finding the Fourth Proportional to 347,579.24, 521,377.97 and 110,921.69

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Solution

The fourth proportional to 347,579.24, 521,377.97 and 110,921.69 is: 166,385.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,579.24 : 521,377.97 = 110,921.69 : x
  2. Step 2: Convert to fraction form
    347,579.24/521,377.97 = 110,921.69/x
  3. Step 3: Cross multiply
    347,579.24x = 521,377.97 × 110,921.69
  4. Step 4: Simplify right side
    347,579.24x = 57,832,122,399.67
  5. Step 5: Solve for x
    x = 57,832,122,399.67/347,579.24
  6. Step 6: Final answer
    x = 166,385.44

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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.