Home / 433,311.47-650,121.03-193,403.54

Finding the Fourth Proportional to 433,311.47, 650,121.03 and 193,403.54

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Solution

The fourth proportional to 433,311.47, 650,121.03 and 193,403.54 is: 290,173.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,311.47 : 650,121.03 = 193,403.54 : x
  2. Step 2: Convert to fraction form
    433,311.47/650,121.03 = 193,403.54/x
  3. Step 3: Cross multiply
    433,311.47x = 650,121.03 × 193,403.54
  4. Step 4: Simplify right side
    433,311.47x = 125,735,705,379.84
  5. Step 5: Solve for x
    x = 125,735,705,379.84/433,311.47
  6. Step 6: Final answer
    x = 290,173.96

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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.