Home / 422,488.54-633,733.28-106,945.44

Finding the Fourth Proportional to 422,488.54, 633,733.28 and 106,945.44

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Solution

The fourth proportional to 422,488.54, 633,733.28 and 106,945.44 is: 160,418.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,488.54 : 633,733.28 = 106,945.44 : x
  2. Step 2: Convert to fraction form
    422,488.54/633,733.28 = 106,945.44/x
  3. Step 3: Cross multiply
    422,488.54x = 633,733.28 × 106,945.44
  4. Step 4: Simplify right side
    422,488.54x = 67,774,883,937.52
  5. Step 5: Solve for x
    x = 67,774,883,937.52/422,488.54
  6. Step 6: Final answer
    x = 160,418.28

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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.