Home / 154,221.24-231,333.48-54,362.80

Finding the Fourth Proportional to 154,221.24, 231,333.48 and 54,362.80

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Solution

The fourth proportional to 154,221.24, 231,333.48 and 54,362.80 is: 81,544.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,221.24 : 231,333.48 = 54,362.80 : x
  2. Step 2: Convert to fraction form
    154,221.24/231,333.48 = 54,362.80/x
  3. Step 3: Cross multiply
    154,221.24x = 231,333.48 × 54,362.80
  4. Step 4: Simplify right side
    154,221.24x = 12,575,935,706.54
  5. Step 5: Solve for x
    x = 12,575,935,706.54/154,221.24
  6. Step 6: Final answer
    x = 81,544.77

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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.