Home / 131,176.40-196,869.42-68,014.49

Finding the Fourth Proportional to 131,176.40, 196,869.42 and 68,014.49

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Solution

The fourth proportional to 131,176.40, 196,869.42 and 68,014.49 is: 102,076.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,176.40 : 196,869.42 = 68,014.49 : x
  2. Step 2: Convert to fraction form
    131,176.40/196,869.42 = 68,014.49/x
  3. Step 3: Cross multiply
    131,176.40x = 196,869.42 × 68,014.49
  4. Step 4: Simplify right side
    131,176.40x = 13,389,972,213.55
  5. Step 5: Solve for x
    x = 13,389,972,213.55/131,176.40
  6. Step 6: Final answer
    x = 102,076.08

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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.