Home / 118,061.44-177,104.40-68,197.60

Finding the Fourth Proportional to 118,061.44, 177,104.40 and 68,197.60

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Solution

The fourth proportional to 118,061.44, 177,104.40 and 68,197.60 is: 102,303.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,061.44 : 177,104.40 = 68,197.60 : x
  2. Step 2: Convert to fraction form
    118,061.44/177,104.40 = 68,197.60/x
  3. Step 3: Cross multiply
    118,061.44x = 177,104.40 × 68,197.60
  4. Step 4: Simplify right side
    118,061.44x = 12,078,095,029.44
  5. Step 5: Solve for x
    x = 12,078,095,029.44/118,061.44
  6. Step 6: Final answer
    x = 102,303.47

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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.