Home / 118,131.22-177,144.84-43,231.90

Finding the Fourth Proportional to 118,131.22, 177,144.84 and 43,231.90

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Solution

The fourth proportional to 118,131.22, 177,144.84 and 43,231.90 is: 64,828.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,131.22 : 177,144.84 = 43,231.90 : x
  2. Step 2: Convert to fraction form
    118,131.22/177,144.84 = 43,231.90/x
  3. Step 3: Cross multiply
    118,131.22x = 177,144.84 × 43,231.90
  4. Step 4: Simplify right side
    118,131.22x = 7,658,308,008.40
  5. Step 5: Solve for x
    x = 7,658,308,008.40/118,131.22
  6. Step 6: Final answer
    x = 64,828.82

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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.