Home / 164,834.56-247,453.69-108,721.59

Finding the Fourth Proportional to 164,834.56, 247,453.69 and 108,721.59

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Solution

The fourth proportional to 164,834.56, 247,453.69 and 108,721.59 is: 163,215.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,834.56 : 247,453.69 = 108,721.59 : x
  2. Step 2: Convert to fraction form
    164,834.56/247,453.69 = 108,721.59/x
  3. Step 3: Cross multiply
    164,834.56x = 247,453.69 × 108,721.59
  4. Step 4: Simplify right side
    164,834.56x = 26,903,557,390.90
  5. Step 5: Solve for x
    x = 26,903,557,390.90/164,834.56
  6. Step 6: Final answer
    x = 163,215.51

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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.