Home / 136,002.46-187,679.65-75,571.54

Finding the Fourth Proportional to 136,002.46, 187,679.65 and 75,571.54

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Solution

The fourth proportional to 136,002.46, 187,679.65 and 75,571.54 is: 104,286.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,002.46 : 187,679.65 = 75,571.54 : x
  2. Step 2: Convert to fraction form
    136,002.46/187,679.65 = 75,571.54/x
  3. Step 3: Cross multiply
    136,002.46x = 187,679.65 × 75,571.54
  4. Step 4: Simplify right side
    136,002.46x = 14,183,240,177.16
  5. Step 5: Solve for x
    x = 14,183,240,177.16/136,002.46
  6. Step 6: Final answer
    x = 104,286.64

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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.