Home / 118,811.60-178,001.40-94,014.80

Finding the Fourth Proportional to 118,811.60, 178,001.40 and 94,014.80

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Solution

The fourth proportional to 118,811.60, 178,001.40 and 94,014.80 is: 140,851.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,811.60 : 178,001.40 = 94,014.80 : x
  2. Step 2: Convert to fraction form
    118,811.60/178,001.40 = 94,014.80/x
  3. Step 3: Cross multiply
    118,811.60x = 178,001.40 × 94,014.80
  4. Step 4: Simplify right side
    118,811.60x = 16,734,766,020.72
  5. Step 5: Solve for x
    x = 16,734,766,020.72/118,811.60
  6. Step 6: Final answer
    x = 140,851.28

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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.