Home / 132,530.80-198,796.20-118,015.60

Finding the Fourth Proportional to 132,530.80, 198,796.20 and 118,015.60

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Solution

The fourth proportional to 132,530.80, 198,796.20 and 118,015.60 is: 177,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,530.80 : 198,796.20 = 118,015.60 : x
  2. Step 2: Convert to fraction form
    132,530.80/198,796.20 = 118,015.60/x
  3. Step 3: Cross multiply
    132,530.80x = 198,796.20 × 118,015.60
  4. Step 4: Simplify right side
    132,530.80x = 23,461,052,820.72
  5. Step 5: Solve for x
    x = 23,461,052,820.72/132,530.80
  6. Step 6: Final answer
    x = 177,023.40

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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.