Home / 113,350.20-170,090.10-43,279.80

Finding the Fourth Proportional to 113,350.20, 170,090.10 and 43,279.80

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Solution

The fourth proportional to 113,350.20, 170,090.10 and 43,279.80 is: 64,944.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,350.20 : 170,090.10 = 43,279.80 : x
  2. Step 2: Convert to fraction form
    113,350.20/170,090.10 = 43,279.80/x
  3. Step 3: Cross multiply
    113,350.20x = 170,090.10 × 43,279.80
  4. Step 4: Simplify right side
    113,350.20x = 7,361,465,509.98
  5. Step 5: Solve for x
    x = 7,361,465,509.98/113,350.20
  6. Step 6: Final answer
    x = 64,944.44

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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.