Home / 150,202.57-225,381.51-66,021.83

Finding the Fourth Proportional to 150,202.57, 225,381.51 and 66,021.83

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Solution

The fourth proportional to 150,202.57, 225,381.51 and 66,021.83 is: 99,066.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,202.57 : 225,381.51 = 66,021.83 : x
  2. Step 2: Convert to fraction form
    150,202.57/225,381.51 = 66,021.83/x
  3. Step 3: Cross multiply
    150,202.57x = 225,381.51 × 66,021.83
  4. Step 4: Simplify right side
    150,202.57x = 14,880,099,738.36
  5. Step 5: Solve for x
    x = 14,880,099,738.36/150,202.57
  6. Step 6: Final answer
    x = 99,066.88

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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.