Home / 150,556.14-225,855.81-80,397.18

Finding the Fourth Proportional to 150,556.14, 225,855.81 and 80,397.18

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Solution

The fourth proportional to 150,556.14, 225,855.81 and 80,397.18 is: 120,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,556.14 : 225,855.81 = 80,397.18 : x
  2. Step 2: Convert to fraction form
    150,556.14/225,855.81 = 80,397.18/x
  3. Step 3: Cross multiply
    150,556.14x = 225,855.81 × 80,397.18
  4. Step 4: Simplify right side
    150,556.14x = 18,158,170,210.62
  5. Step 5: Solve for x
    x = 18,158,170,210.62/150,556.14
  6. Step 6: Final answer
    x = 120,607.30

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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.