Home / 439,023.72-658,520.34-186,141.48

Finding the Fourth Proportional to 439,023.72, 658,520.34 and 186,141.48

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Solution

The fourth proportional to 439,023.72, 658,520.34 and 186,141.48 is: 279,205.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,023.72 : 658,520.34 = 186,141.48 : x
  2. Step 2: Convert to fraction form
    439,023.72/658,520.34 = 186,141.48/x
  3. Step 3: Cross multiply
    439,023.72x = 658,520.34 × 186,141.48
  4. Step 4: Simplify right side
    439,023.72x = 122,577,950,697.70
  5. Step 5: Solve for x
    x = 122,577,950,697.70/439,023.72
  6. Step 6: Final answer
    x = 279,205.76

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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.