Home / 132,518.80-198,778.20-118,003.60

Finding the Fourth Proportional to 132,518.80, 198,778.20 and 118,003.60

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Solution

The fourth proportional to 132,518.80, 198,778.20 and 118,003.60 is: 177,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,518.80 : 198,778.20 = 118,003.60 : x
  2. Step 2: Convert to fraction form
    132,518.80/198,778.20 = 118,003.60/x
  3. Step 3: Cross multiply
    132,518.80x = 198,778.20 × 118,003.60
  4. Step 4: Simplify right side
    132,518.80x = 23,456,543,201.52
  5. Step 5: Solve for x
    x = 23,456,543,201.52/132,518.80
  6. Step 6: Final answer
    x = 177,005.40

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1.5x scale

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.