Home / 173,029.20-259,457.40-79,429.20

Finding the Fourth Proportional to 173,029.20, 259,457.40 and 79,429.20

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Solution

The fourth proportional to 173,029.20, 259,457.40 and 79,429.20 is: 119,104.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,029.20 : 259,457.40 = 79,429.20 : x
  2. Step 2: Convert to fraction form
    173,029.20/259,457.40 = 79,429.20/x
  3. Step 3: Cross multiply
    173,029.20x = 259,457.40 × 79,429.20
  4. Step 4: Simplify right side
    173,029.20x = 20,608,493,716.08
  5. Step 5: Solve for x
    x = 20,608,493,716.08/173,029.20
  6. Step 6: Final answer
    x = 119,104.14

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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.