Home / 179,712.87-248,033.10-108,132.36

Finding the Fourth Proportional to 179,712.87, 248,033.10 and 108,132.36

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Solution

The fourth proportional to 179,712.87, 248,033.10 and 108,132.36 is: 149,240.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,712.87 : 248,033.10 = 108,132.36 : x
  2. Step 2: Convert to fraction form
    179,712.87/248,033.10 = 108,132.36/x
  3. Step 3: Cross multiply
    179,712.87x = 248,033.10 × 108,132.36
  4. Step 4: Simplify right side
    179,712.87x = 26,820,404,461.12
  5. Step 5: Solve for x
    x = 26,820,404,461.12/179,712.87
  6. Step 6: Final answer
    x = 149,240.31

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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.