Home / 105,685.58-158,533.94-26,800.49

Finding the Fourth Proportional to 105,685.58, 158,533.94 and 26,800.49

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Solution

The fourth proportional to 105,685.58, 158,533.94 and 26,800.49 is: 40,202.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,685.58 : 158,533.94 = 26,800.49 : x
  2. Step 2: Convert to fraction form
    105,685.58/158,533.94 = 26,800.49/x
  3. Step 3: Cross multiply
    105,685.58x = 158,533.94 × 26,800.49
  4. Step 4: Simplify right side
    105,685.58x = 4,248,787,736.97
  5. Step 5: Solve for x
    x = 4,248,787,736.97/105,685.58
  6. Step 6: Final answer
    x = 40,202.15

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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.