Home / 378,328.05-567,350.55-125,561.41

Finding the Fourth Proportional to 378,328.05, 567,350.55 and 125,561.41

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Solution

The fourth proportional to 378,328.05, 567,350.55 and 125,561.41 is: 188,295.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,328.05 : 567,350.55 = 125,561.41 : x
  2. Step 2: Convert to fraction form
    378,328.05/567,350.55 = 125,561.41/x
  3. Step 3: Cross multiply
    378,328.05x = 567,350.55 × 125,561.41
  4. Step 4: Simplify right side
    378,328.05x = 71,237,333,603.90
  5. Step 5: Solve for x
    x = 71,237,333,603.90/378,328.05
  6. Step 6: Final answer
    x = 188,295.14

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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.