Home / 378,559.18-567,625.86-125,704.35

Finding the Fourth Proportional to 378,559.18, 567,625.86 and 125,704.35

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Solution

The fourth proportional to 378,559.18, 567,625.86 and 125,704.35 is: 188,485.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,559.18 : 567,625.86 = 125,704.35 : x
  2. Step 2: Convert to fraction form
    378,559.18/567,625.86 = 125,704.35/x
  3. Step 3: Cross multiply
    378,559.18x = 567,625.86 × 125,704.35
  4. Step 4: Simplify right side
    378,559.18x = 71,353,039,774.49
  5. Step 5: Solve for x
    x = 71,353,039,774.49/378,559.18
  6. Step 6: Final answer
    x = 188,485.83

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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.