Home / 154,297.20-231,363.48-73,158.96

Finding the Fourth Proportional to 154,297.20, 231,363.48 and 73,158.96

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Solution

The fourth proportional to 154,297.20, 231,363.48 and 73,158.96 is: 109,699.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,297.20 : 231,363.48 = 73,158.96 : x
  2. Step 2: Convert to fraction form
    154,297.20/231,363.48 = 73,158.96/x
  3. Step 3: Cross multiply
    154,297.20x = 231,363.48 × 73,158.96
  4. Step 4: Simplify right side
    154,297.20x = 16,926,311,578.78
  5. Step 5: Solve for x
    x = 16,926,311,578.78/154,297.20
  6. Step 6: Final answer
    x = 109,699.41

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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.