Home / 154,033.12-231,057.90-48,860.20

Finding the Fourth Proportional to 154,033.12, 231,057.90 and 48,860.20

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Solution

The fourth proportional to 154,033.12, 231,057.90 and 48,860.20 is: 73,292.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,033.12 : 231,057.90 = 48,860.20 : x
  2. Step 2: Convert to fraction form
    154,033.12/231,057.90 = 48,860.20/x
  3. Step 3: Cross multiply
    154,033.12x = 231,057.90 × 48,860.20
  4. Step 4: Simplify right side
    154,033.12x = 11,289,535,205.58
  5. Step 5: Solve for x
    x = 11,289,535,205.58/154,033.12
  6. Step 6: Final answer
    x = 73,292.91

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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.