Home / 260,791.04-391,203.20-73,817.12

Finding the Fourth Proportional to 260,791.04, 391,203.20 and 73,817.12

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Solution

The fourth proportional to 260,791.04, 391,203.20 and 73,817.12 is: 110,730.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,791.04 : 391,203.20 = 73,817.12 : x
  2. Step 2: Convert to fraction form
    260,791.04/391,203.20 = 73,817.12/x
  3. Step 3: Cross multiply
    260,791.04x = 391,203.20 × 73,817.12
  4. Step 4: Simplify right side
    260,791.04x = 28,877,493,558.78
  5. Step 5: Solve for x
    x = 28,877,493,558.78/260,791.04
  6. Step 6: Final answer
    x = 110,730.39

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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.