Home / 378,528.46-567,911.10-112,290.37

Finding the Fourth Proportional to 378,528.46, 567,911.10 and 112,290.37

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Solution

The fourth proportional to 378,528.46, 567,911.10 and 112,290.37 is: 168,470.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,528.46 : 567,911.10 = 112,290.37 : x
  2. Step 2: Convert to fraction form
    378,528.46/567,911.10 = 112,290.37/x
  3. Step 3: Cross multiply
    378,528.46x = 567,911.10 × 112,290.37
  4. Step 4: Simplify right side
    378,528.46x = 63,770,947,546.11
  5. Step 5: Solve for x
    x = 63,770,947,546.11/378,528.46
  6. Step 6: Final answer
    x = 168,470.68

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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.