Home / 131,211.74-196,816.31-60,114.20

Finding the Fourth Proportional to 131,211.74, 196,816.31 and 60,114.20

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Solution

The fourth proportional to 131,211.74, 196,816.31 and 60,114.20 is: 90,170.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,211.74 : 196,816.31 = 60,114.20 : x
  2. Step 2: Convert to fraction form
    131,211.74/196,816.31 = 60,114.20/x
  3. Step 3: Cross multiply
    131,211.74x = 196,816.31 × 60,114.20
  4. Step 4: Simplify right side
    131,211.74x = 11,831,454,722.03
  5. Step 5: Solve for x
    x = 11,831,454,722.03/131,211.74
  6. Step 6: Final answer
    x = 90,170.71

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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.