Home / 312,117.33-468,179.96-109,705.26

Finding the Fourth Proportional to 312,117.33, 468,179.96 and 109,705.26

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Solution

The fourth proportional to 312,117.33, 468,179.96 and 109,705.26 is: 164,559.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,117.33 : 468,179.96 = 109,705.26 : x
  2. Step 2: Convert to fraction form
    312,117.33/468,179.96 = 109,705.26/x
  3. Step 3: Cross multiply
    312,117.33x = 468,179.96 × 109,705.26
  4. Step 4: Simplify right side
    312,117.33x = 51,361,804,238.59
  5. Step 5: Solve for x
    x = 51,361,804,238.59/312,117.33
  6. Step 6: Final answer
    x = 164,559.28

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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.