Home / 136,084.33-187,785.74-75,651.30

Finding the Fourth Proportional to 136,084.33, 187,785.74 and 75,651.30

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Solution

The fourth proportional to 136,084.33, 187,785.74 and 75,651.30 is: 104,392.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,084.33 : 187,785.74 = 75,651.30 : x
  2. Step 2: Convert to fraction form
    136,084.33/187,785.74 = 75,651.30/x
  3. Step 3: Cross multiply
    136,084.33x = 187,785.74 × 75,651.30
  4. Step 4: Simplify right side
    136,084.33x = 14,206,234,837.39
  5. Step 5: Solve for x
    x = 14,206,234,837.39/136,084.33
  6. Step 6: Final answer
    x = 104,392.88

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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.