Home / 150,431.14-225,588.37-80,272.18

Finding the Fourth Proportional to 150,431.14, 225,588.37 and 80,272.18

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Solution

The fourth proportional to 150,431.14, 225,588.37 and 80,272.18 is: 120,377.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,431.14 : 225,588.37 = 80,272.18 : x
  2. Step 2: Convert to fraction form
    150,431.14/225,588.37 = 80,272.18/x
  3. Step 3: Cross multiply
    150,431.14x = 225,588.37 × 80,272.18
  4. Step 4: Simplify right side
    150,431.14x = 18,108,470,242.55
  5. Step 5: Solve for x
    x = 18,108,470,242.55/150,431.14
  6. Step 6: Final answer
    x = 120,377.14

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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.