Home / 118,943.26-179,127.61-108,314.44

Finding the Fourth Proportional to 118,943.26, 179,127.61 and 108,314.44

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Solution

The fourth proportional to 118,943.26, 179,127.61 and 108,314.44 is: 163,120.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,943.26 : 179,127.61 = 108,314.44 : x
  2. Step 2: Convert to fraction form
    118,943.26/179,127.61 = 108,314.44/x
  3. Step 3: Cross multiply
    118,943.26x = 179,127.61 × 108,314.44
  4. Step 4: Simplify right side
    118,943.26x = 19,402,106,765.69
  5. Step 5: Solve for x
    x = 19,402,106,765.69/118,943.26
  6. Step 6: Final answer
    x = 163,120.69

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.