Home / 154,431.12-231,648.96-60,936

Finding the Fourth Proportional to 154,431.12, 231,648.96 and 60,936

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Solution

The fourth proportional to 154,431.12, 231,648.96 and 60,936 is: 91,404.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,431.12 : 231,648.96 = 60,936 : x
  2. Step 2: Convert to fraction form
    154,431.12/231,648.96 = 60,936/x
  3. Step 3: Cross multiply
    154,431.12x = 231,648.96 × 60,936
  4. Step 4: Simplify right side
    154,431.12x = 14,115,761,026.56
  5. Step 5: Solve for x
    x = 14,115,761,026.56/154,431.12
  6. Step 6: Final answer
    x = 91,404.90

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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.