Home / 167,408.04-250,980.78-78,615.84

Finding the Fourth Proportional to 167,408.04, 250,980.78 and 78,615.84

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Solution

The fourth proportional to 167,408.04, 250,980.78 and 78,615.84 is: 117,862.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,408.04 : 250,980.78 = 78,615.84 : x
  2. Step 2: Convert to fraction form
    167,408.04/250,980.78 = 78,615.84/x
  3. Step 3: Cross multiply
    167,408.04x = 250,980.78 × 78,615.84
  4. Step 4: Simplify right side
    167,408.04x = 19,731,064,843.56
  5. Step 5: Solve for x
    x = 19,731,064,843.56/167,408.04
  6. Step 6: Final answer
    x = 117,862.11

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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.