Home / 157,993.20-237,153.78-91,563.12

Finding the Fourth Proportional to 157,993.20, 237,153.78 and 91,563.12

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Solution

The fourth proportional to 157,993.20, 237,153.78 and 91,563.12 is: 137,439.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,993.20 : 237,153.78 = 91,563.12 : x
  2. Step 2: Convert to fraction form
    157,993.20/237,153.78 = 91,563.12/x
  3. Step 3: Cross multiply
    157,993.20x = 237,153.78 × 91,563.12
  4. Step 4: Simplify right side
    157,993.20x = 21,714,540,016.59
  5. Step 5: Solve for x
    x = 21,714,540,016.59/157,993.20
  6. Step 6: Final answer
    x = 137,439.71

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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.