Home / 169,721.15-254,581.73-43,361.68

Finding the Fourth Proportional to 169,721.15, 254,581.73 and 43,361.68

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Solution

The fourth proportional to 169,721.15, 254,581.73 and 43,361.68 is: 65,042.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,721.15 : 254,581.73 = 43,361.68 : x
  2. Step 2: Convert to fraction form
    169,721.15/254,581.73 = 43,361.68/x
  3. Step 3: Cross multiply
    169,721.15x = 254,581.73 × 43,361.68
  4. Step 4: Simplify right side
    169,721.15x = 11,039,091,540.70
  5. Step 5: Solve for x
    x = 11,039,091,540.70/169,721.15
  6. Step 6: Final answer
    x = 65,042.52

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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.