Home / 150,664.80-225,741.72-100,028.40

Finding the Fourth Proportional to 150,664.80, 225,741.72 and 100,028.40

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Solution

The fourth proportional to 150,664.80, 225,741.72 and 100,028.40 is: 149,872.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,664.80 : 225,741.72 = 100,028.40 : x
  2. Step 2: Convert to fraction form
    150,664.80/225,741.72 = 100,028.40/x
  3. Step 3: Cross multiply
    150,664.80x = 225,741.72 × 100,028.40
  4. Step 4: Simplify right side
    150,664.80x = 22,580,583,064.85
  5. Step 5: Solve for x
    x = 22,580,583,064.85/150,664.80
  6. Step 6: Final answer
    x = 149,872.98

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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.