Home / 378,174.25-567,261.39-141,628.33

Finding the Fourth Proportional to 378,174.25, 567,261.39 and 141,628.33

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Solution

The fourth proportional to 378,174.25, 567,261.39 and 141,628.33 is: 212,442.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,174.25 : 567,261.39 = 141,628.33 : x
  2. Step 2: Convert to fraction form
    378,174.25/567,261.39 = 141,628.33/x
  3. Step 3: Cross multiply
    378,174.25x = 567,261.39 × 141,628.33
  4. Step 4: Simplify right side
    378,174.25x = 80,340,283,339.18
  5. Step 5: Solve for x
    x = 80,340,283,339.18/378,174.25
  6. Step 6: Final answer
    x = 212,442.50

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1.5x scale

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.