Home / 167,436.20-251,178.60-78,692.60

Finding the Fourth Proportional to 167,436.20, 251,178.60 and 78,692.60

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Solution

The fourth proportional to 167,436.20, 251,178.60 and 78,692.60 is: 118,050.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,436.20 : 251,178.60 = 78,692.60 : x
  2. Step 2: Convert to fraction form
    167,436.20/251,178.60 = 78,692.60/x
  3. Step 3: Cross multiply
    167,436.20x = 251,178.60 × 78,692.60
  4. Step 4: Simplify right side
    167,436.20x = 19,765,897,098.36
  5. Step 5: Solve for x
    x = 19,765,897,098.36/167,436.20
  6. Step 6: Final answer
    x = 118,050.32

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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.