Home / 118,645.89-177,984.50-43,818.63

Finding the Fourth Proportional to 118,645.89, 177,984.50 and 43,818.63

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Solution

The fourth proportional to 118,645.89, 177,984.50 and 43,818.63 is: 65,733.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,645.89 : 177,984.50 = 43,818.63 : x
  2. Step 2: Convert to fraction form
    118,645.89/177,984.50 = 43,818.63/x
  3. Step 3: Cross multiply
    118,645.89x = 177,984.50 × 43,818.63
  4. Step 4: Simplify right side
    118,645.89x = 7,799,036,732.14
  5. Step 5: Solve for x
    x = 7,799,036,732.14/118,645.89
  6. Step 6: Final answer
    x = 65,733.73

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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.