Home / 105,505.04-158,257.85-26,619.27

Finding the Fourth Proportional to 105,505.04, 158,257.85 and 26,619.27

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Solution

The fourth proportional to 105,505.04, 158,257.85 and 26,619.27 is: 39,928.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,505.04 : 158,257.85 = 26,619.27 : x
  2. Step 2: Convert to fraction form
    105,505.04/158,257.85 = 26,619.27/x
  3. Step 3: Cross multiply
    105,505.04x = 158,257.85 × 26,619.27
  4. Step 4: Simplify right side
    105,505.04x = 4,212,707,712.21
  5. Step 5: Solve for x
    x = 4,212,707,712.21/105,505.04
  6. Step 6: Final answer
    x = 39,928.97

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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.