Home / 118,109.19-177,172.45-50,575.36

Finding the Fourth Proportional to 118,109.19, 177,172.45 and 50,575.36

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Solution

The fourth proportional to 118,109.19, 177,172.45 and 50,575.36 is: 75,866.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,109.19 : 177,172.45 = 50,575.36 : x
  2. Step 2: Convert to fraction form
    118,109.19/177,172.45 = 50,575.36/x
  3. Step 3: Cross multiply
    118,109.19x = 177,172.45 × 50,575.36
  4. Step 4: Simplify right side
    118,109.19x = 8,960,560,187.96
  5. Step 5: Solve for x
    x = 8,960,560,187.96/118,109.19
  6. Step 6: Final answer
    x = 75,866.75

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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.