Home / 136,936.74-205,366.22-43,440.06

Finding the Fourth Proportional to 136,936.74, 205,366.22 and 43,440.06

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Solution

The fourth proportional to 136,936.74, 205,366.22 and 43,440.06 is: 65,147.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,936.74 : 205,366.22 = 43,440.06 : x
  2. Step 2: Convert to fraction form
    136,936.74/205,366.22 = 43,440.06/x
  3. Step 3: Cross multiply
    136,936.74x = 205,366.22 × 43,440.06
  4. Step 4: Simplify right side
    136,936.74x = 8,921,120,918.77
  5. Step 5: Solve for x
    x = 8,921,120,918.77/136,936.74
  6. Step 6: Final answer
    x = 65,147.75

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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.