Home / 331,556.90-457,603.56-195,624.18

Finding the Fourth Proportional to 331,556.90, 457,603.56 and 195,624.18

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Solution

The fourth proportional to 331,556.90, 457,603.56 and 195,624.18 is: 269,993.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,556.90 : 457,603.56 = 195,624.18 : x
  2. Step 2: Convert to fraction form
    331,556.90/457,603.56 = 195,624.18/x
  3. Step 3: Cross multiply
    331,556.90x = 457,603.56 × 195,624.18
  4. Step 4: Simplify right side
    331,556.90x = 89,518,321,190.08
  5. Step 5: Solve for x
    x = 89,518,321,190.08/331,556.90
  6. Step 6: Final answer
    x = 269,993.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.