Home / 154,005.24-231,016.02-43,205.88

Finding the Fourth Proportional to 154,005.24, 231,016.02 and 43,205.88

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Solution

The fourth proportional to 154,005.24, 231,016.02 and 43,205.88 is: 64,811.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,005.24 : 231,016.02 = 43,205.88 : x
  2. Step 2: Convert to fraction form
    154,005.24/231,016.02 = 43,205.88/x
  3. Step 3: Cross multiply
    154,005.24x = 231,016.02 × 43,205.88
  4. Step 4: Simplify right side
    154,005.24x = 9,981,250,438.20
  5. Step 5: Solve for x
    x = 9,981,250,438.20/154,005.24
  6. Step 6: Final answer
    x = 64,811.11

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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.