Home / 118,229.50-177,339.28-55,027.88

Finding the Fourth Proportional to 118,229.50, 177,339.28 and 55,027.88

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Solution

The fourth proportional to 118,229.50, 177,339.28 and 55,027.88 is: 82,539.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,229.50 : 177,339.28 = 55,027.88 : x
  2. Step 2: Convert to fraction form
    118,229.50/177,339.28 = 55,027.88/x
  3. Step 3: Cross multiply
    118,229.50x = 177,339.28 × 55,027.88
  4. Step 4: Simplify right side
    118,229.50x = 9,758,604,619.13
  5. Step 5: Solve for x
    x = 9,758,604,619.13/118,229.50
  6. Step 6: Final answer
    x = 82,539.51

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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.