Home / 260,881.74-391,453.92-194,455.26

Finding the Fourth Proportional to 260,881.74, 391,453.92 and 194,455.26

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Solution

The fourth proportional to 260,881.74, 391,453.92 and 194,455.26 is: 291,780.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,881.74 : 391,453.92 = 194,455.26 : x
  2. Step 2: Convert to fraction form
    260,881.74/391,453.92 = 194,455.26/x
  3. Step 3: Cross multiply
    260,881.74x = 391,453.92 × 194,455.26
  4. Step 4: Simplify right side
    260,881.74x = 76,120,273,791.62
  5. Step 5: Solve for x
    x = 76,120,273,791.62/260,881.74
  6. Step 6: Final answer
    x = 291,780.77

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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.