Home / 136,447.37-203,711.66-104,257.97

Finding the Fourth Proportional to 136,447.37, 203,711.66 and 104,257.97

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Solution

The fourth proportional to 136,447.37, 203,711.66 and 104,257.97 is: 155,653.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,447.37 : 203,711.66 = 104,257.97 : x
  2. Step 2: Convert to fraction form
    136,447.37/203,711.66 = 104,257.97/x
  3. Step 3: Cross multiply
    136,447.37x = 203,711.66 × 104,257.97
  4. Step 4: Simplify right side
    136,447.37x = 21,238,564,124.92
  5. Step 5: Solve for x
    x = 21,238,564,124.92/136,447.37
  6. Step 6: Final answer
    x = 155,653.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.