Home / 171,025.29-256,205.73-82,341.02

Finding the Fourth Proportional to 171,025.29, 256,205.73 and 82,341.02

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Solution

The fourth proportional to 171,025.29, 256,205.73 and 82,341.02 is: 123,351.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,025.29 : 256,205.73 = 82,341.02 : x
  2. Step 2: Convert to fraction form
    171,025.29/256,205.73 = 82,341.02/x
  3. Step 3: Cross multiply
    171,025.29x = 256,205.73 × 82,341.02
  4. Step 4: Simplify right side
    171,025.29x = 21,096,241,138.04
  5. Step 5: Solve for x
    x = 21,096,241,138.04/171,025.29
  6. Step 6: Final answer
    x = 123,351.59

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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.