Home / 331,265.88-457,206.48-195,291.72

Finding the Fourth Proportional to 331,265.88, 457,206.48 and 195,291.72

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Solution

The fourth proportional to 331,265.88, 457,206.48 and 195,291.72 is: 269,537.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,265.88 : 457,206.48 = 195,291.72 : x
  2. Step 2: Convert to fraction form
    331,265.88/457,206.48 = 195,291.72/x
  3. Step 3: Cross multiply
    331,265.88x = 457,206.48 × 195,291.72
  4. Step 4: Simplify right side
    331,265.88x = 89,288,639,874.35
  5. Step 5: Solve for x
    x = 89,288,639,874.35/331,265.88
  6. Step 6: Final answer
    x = 269,537.69

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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.