Home / 179,642.88-247,936.56-108,062.40

Finding the Fourth Proportional to 179,642.88, 247,936.56 and 108,062.40

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Solution

The fourth proportional to 179,642.88, 247,936.56 and 108,062.40 is: 149,143.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,642.88 : 247,936.56 = 108,062.40 : x
  2. Step 2: Convert to fraction form
    179,642.88/247,936.56 = 108,062.40/x
  3. Step 3: Cross multiply
    179,642.88x = 247,936.56 × 108,062.40
  4. Step 4: Simplify right side
    179,642.88x = 26,792,619,721.34
  5. Step 5: Solve for x
    x = 26,792,619,721.34/179,642.88
  6. Step 6: Final answer
    x = 149,143.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.