Home / 118,944.26-179,129.12-108,315.44

Finding the Fourth Proportional to 118,944.26, 179,129.12 and 108,315.44

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Solution

The fourth proportional to 118,944.26, 179,129.12 and 108,315.44 is: 163,122.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,944.26 : 179,129.12 = 108,315.44 : x
  2. Step 2: Convert to fraction form
    118,944.26/179,129.12 = 108,315.44/x
  3. Step 3: Cross multiply
    118,944.26x = 179,129.12 × 108,315.44
  4. Step 4: Simplify right side
    118,944.26x = 19,402,449,449.61
  5. Step 5: Solve for x
    x = 19,402,449,449.61/118,944.26
  6. Step 6: Final answer
    x = 163,122.20

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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.