Home / 118,272.40-177,408.60-62,090.80

Finding the Fourth Proportional to 118,272.40, 177,408.60 and 62,090.80

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Solution

The fourth proportional to 118,272.40, 177,408.60 and 62,090.80 is: 93,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,272.40 : 177,408.60 = 62,090.80 : x
  2. Step 2: Convert to fraction form
    118,272.40/177,408.60 = 62,090.80/x
  3. Step 3: Cross multiply
    118,272.40x = 177,408.60 × 62,090.80
  4. Step 4: Simplify right side
    118,272.40x = 11,015,441,900.88
  5. Step 5: Solve for x
    x = 11,015,441,900.88/118,272.40
  6. Step 6: Final answer
    x = 93,136.20

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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.