Home / 173,128.30-259,535.70-67,919.02

Finding the Fourth Proportional to 173,128.30, 259,535.70 and 67,919.02

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Solution

The fourth proportional to 173,128.30, 259,535.70 and 67,919.02 is: 101,817.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,128.30 : 259,535.70 = 67,919.02 : x
  2. Step 2: Convert to fraction form
    173,128.30/259,535.70 = 67,919.02/x
  3. Step 3: Cross multiply
    173,128.30x = 259,535.70 × 67,919.02
  4. Step 4: Simplify right side
    173,128.30x = 17,627,410,399.01
  5. Step 5: Solve for x
    x = 17,627,410,399.01/173,128.30
  6. Step 6: Final answer
    x = 101,817.04

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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.