Home / 131,170.60-196,529.10-60,905.80

Finding the Fourth Proportional to 131,170.60, 196,529.10 and 60,905.80

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Solution

The fourth proportional to 131,170.60, 196,529.10 and 60,905.80 is: 91,253.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,170.60 : 196,529.10 = 60,905.80 : x
  2. Step 2: Convert to fraction form
    131,170.60/196,529.10 = 60,905.80/x
  3. Step 3: Cross multiply
    131,170.60x = 196,529.10 × 60,905.80
  4. Step 4: Simplify right side
    131,170.60x = 11,969,762,058.78
  5. Step 5: Solve for x
    x = 11,969,762,058.78/131,170.60
  6. Step 6: Final answer
    x = 91,253.39

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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.