Home / 167,052.20-250,459.25-78,257.30

Finding the Fourth Proportional to 167,052.20, 250,459.25 and 78,257.30

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Solution

The fourth proportional to 167,052.20, 250,459.25 and 78,257.30 is: 117,330.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,052.20 : 250,459.25 = 78,257.30 : x
  2. Step 2: Convert to fraction form
    167,052.20/250,459.25 = 78,257.30/x
  3. Step 3: Cross multiply
    167,052.20x = 250,459.25 × 78,257.30
  4. Step 4: Simplify right side
    167,052.20x = 19,600,263,021.44
  5. Step 5: Solve for x
    x = 19,600,263,021.44/167,052.20
  6. Step 6: Final answer
    x = 117,330.17

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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.