Home / 131,122.40-196,512.89-95,219.55

Finding the Fourth Proportional to 131,122.40, 196,512.89 and 95,219.55

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Solution

The fourth proportional to 131,122.40, 196,512.89 and 95,219.55 is: 142,705.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,122.40 : 196,512.89 = 95,219.55 : x
  2. Step 2: Convert to fraction form
    131,122.40/196,512.89 = 95,219.55/x
  3. Step 3: Cross multiply
    131,122.40x = 196,512.89 × 95,219.55
  4. Step 4: Simplify right side
    131,122.40x = 18,711,868,478.90
  5. Step 5: Solve for x
    x = 18,711,868,478.90/131,122.40
  6. Step 6: Final answer
    x = 142,705.36

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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.