Home / 378,156.62-567,323.04-125,418.62

Finding the Fourth Proportional to 378,156.62, 567,323.04 and 125,418.62

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Solution

The fourth proportional to 378,156.62, 567,323.04 and 125,418.62 is: 188,157.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,156.62 : 567,323.04 = 125,418.62 : x
  2. Step 2: Convert to fraction form
    378,156.62/567,323.04 = 125,418.62/x
  3. Step 3: Cross multiply
    378,156.62x = 567,323.04 × 125,418.62
  4. Step 4: Simplify right side
    378,156.62x = 71,152,872,771.00
  5. Step 5: Solve for x
    x = 71,152,872,771.00/378,156.62
  6. Step 6: Final answer
    x = 188,157.15

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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.