Home / 378,579.55-567,746.47-125,792.16

Finding the Fourth Proportional to 378,579.55, 567,746.47 and 125,792.16

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Solution

The fourth proportional to 378,579.55, 567,746.47 and 125,792.16 is: 188,647.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,579.55 : 567,746.47 = 125,792.16 : x
  2. Step 2: Convert to fraction form
    378,579.55/567,746.47 = 125,792.16/x
  3. Step 3: Cross multiply
    378,579.55x = 567,746.47 × 125,792.16
  4. Step 4: Simplify right side
    378,579.55x = 71,418,054,793.68
  5. Step 5: Solve for x
    x = 71,418,054,793.68/378,579.55
  6. Step 6: Final answer
    x = 188,647.42

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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.