Home / 118,108.26-177,103.98-51,519.60

Finding the Fourth Proportional to 118,108.26, 177,103.98 and 51,519.60

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Solution

The fourth proportional to 118,108.26, 177,103.98 and 51,519.60 is: 77,253.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,108.26 : 177,103.98 = 51,519.60 : x
  2. Step 2: Convert to fraction form
    118,108.26/177,103.98 = 51,519.60/x
  3. Step 3: Cross multiply
    118,108.26x = 177,103.98 × 51,519.60
  4. Step 4: Simplify right side
    118,108.26x = 9,124,326,208.01
  5. Step 5: Solve for x
    x = 9,124,326,208.01/118,108.26
  6. Step 6: Final answer
    x = 77,253.92

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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.