Home / 118,063.44-177,107.40-68,199.60

Finding the Fourth Proportional to 118,063.44, 177,107.40 and 68,199.60

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Solution

The fourth proportional to 118,063.44, 177,107.40 and 68,199.60 is: 102,306.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,063.44 : 177,107.40 = 68,199.60 : x
  2. Step 2: Convert to fraction form
    118,063.44/177,107.40 = 68,199.60/x
  3. Step 3: Cross multiply
    118,063.44x = 177,107.40 × 68,199.60
  4. Step 4: Simplify right side
    118,063.44x = 12,078,653,837.04
  5. Step 5: Solve for x
    x = 12,078,653,837.04/118,063.44
  6. Step 6: Final answer
    x = 102,306.47

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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.