Home / 135,186.43-202,777.41-40,416.83

Finding the Fourth Proportional to 135,186.43, 202,777.41 and 40,416.83

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Solution

The fourth proportional to 135,186.43, 202,777.41 and 40,416.83 is: 60,624.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,186.43 : 202,777.41 = 40,416.83 : x
  2. Step 2: Convert to fraction form
    135,186.43/202,777.41 = 40,416.83/x
  3. Step 3: Cross multiply
    135,186.43x = 202,777.41 × 40,416.83
  4. Step 4: Simplify right side
    135,186.43x = 8,195,620,107.81
  5. Step 5: Solve for x
    x = 8,195,620,107.81/135,186.43
  6. Step 6: Final answer
    x = 60,624.58

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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.