Home / 131,172.60-196,532.10-60,907.80

Finding the Fourth Proportional to 131,172.60, 196,532.10 and 60,907.80

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Solution

The fourth proportional to 131,172.60, 196,532.10 and 60,907.80 is: 91,256.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,172.60 : 196,532.10 = 60,907.80 : x
  2. Step 2: Convert to fraction form
    131,172.60/196,532.10 = 60,907.80/x
  3. Step 3: Cross multiply
    131,172.60x = 196,532.10 × 60,907.80
  4. Step 4: Simplify right side
    131,172.60x = 11,970,337,840.38
  5. Step 5: Solve for x
    x = 11,970,337,840.38/131,172.60
  6. Step 6: Final answer
    x = 91,256.39

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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.