Home / 433,115.20-649,235.40-196,627.60

Finding the Fourth Proportional to 433,115.20, 649,235.40 and 196,627.60

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Solution

The fourth proportional to 433,115.20, 649,235.40 and 196,627.60 is: 294,742.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,115.20 : 649,235.40 = 196,627.60 : x
  2. Step 2: Convert to fraction form
    433,115.20/649,235.40 = 196,627.60/x
  3. Step 3: Cross multiply
    433,115.20x = 649,235.40 × 196,627.60
  4. Step 4: Simplify right side
    433,115.20x = 127,657,598,537.04
  5. Step 5: Solve for x
    x = 127,657,598,537.04/433,115.20
  6. Step 6: Final answer
    x = 294,742.83

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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.