Home / 154,416.20-231,624.30-151,791.80

Finding the Fourth Proportional to 154,416.20, 231,624.30 and 151,791.80

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Solution

The fourth proportional to 154,416.20, 231,624.30 and 151,791.80 is: 227,687.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,416.20 : 231,624.30 = 151,791.80 : x
  2. Step 2: Convert to fraction form
    154,416.20/231,624.30 = 151,791.80/x
  3. Step 3: Cross multiply
    154,416.20x = 231,624.30 × 151,791.80
  4. Step 4: Simplify right side
    154,416.20x = 35,158,669,420.74
  5. Step 5: Solve for x
    x = 35,158,669,420.74/154,416.20
  6. Step 6: Final answer
    x = 227,687.70

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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.