Home / 329,259.20-493,910.40-92,609.60

Finding the Fourth Proportional to 329,259.20, 493,910.40 and 92,609.60

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Solution

The fourth proportional to 329,259.20, 493,910.40 and 92,609.60 is: 138,920.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,259.20 : 493,910.40 = 92,609.60 : x
  2. Step 2: Convert to fraction form
    329,259.20/493,910.40 = 92,609.60/x
  3. Step 3: Cross multiply
    329,259.20x = 493,910.40 × 92,609.60
  4. Step 4: Simplify right side
    329,259.20x = 45,740,844,579.84
  5. Step 5: Solve for x
    x = 45,740,844,579.84/329,259.20
  6. Step 6: Final answer
    x = 138,920.48

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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.