Home / 136,094.60-187,760.76-82,359.92

Finding the Fourth Proportional to 136,094.60, 187,760.76 and 82,359.92

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Solution

The fourth proportional to 136,094.60, 187,760.76 and 82,359.92 is: 113,626.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,094.60 : 187,760.76 = 82,359.92 : x
  2. Step 2: Convert to fraction form
    136,094.60/187,760.76 = 82,359.92/x
  3. Step 3: Cross multiply
    136,094.60x = 187,760.76 × 82,359.92
  4. Step 4: Simplify right side
    136,094.60x = 15,463,961,172.74
  5. Step 5: Solve for x
    x = 15,463,961,172.74/136,094.60
  6. Step 6: Final answer
    x = 113,626.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.