Home / 231,023.20-346,561.80-73,267.60

Finding the Fourth Proportional to 231,023.20, 346,561.80 and 73,267.60

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Solution

The fourth proportional to 231,023.20, 346,561.80 and 73,267.60 is: 109,909.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,023.20 : 346,561.80 = 73,267.60 : x
  2. Step 2: Convert to fraction form
    231,023.20/346,561.80 = 73,267.60/x
  3. Step 3: Cross multiply
    231,023.20x = 346,561.80 × 73,267.60
  4. Step 4: Simplify right side
    231,023.20x = 25,391,751,337.68
  5. Step 5: Solve for x
    x = 25,391,751,337.68/231,023.20
  6. Step 6: Final answer
    x = 109,909.96

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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.