Home / 132,057.20-197,735.88-79,394.24

Finding the Fourth Proportional to 132,057.20, 197,735.88 and 79,394.24

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Solution

The fourth proportional to 132,057.20, 197,735.88 and 79,394.24 is: 118,880.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,057.20 : 197,735.88 = 79,394.24 : x
  2. Step 2: Convert to fraction form
    132,057.20/197,735.88 = 79,394.24/x
  3. Step 3: Cross multiply
    132,057.20x = 197,735.88 × 79,394.24
  4. Step 4: Simplify right side
    132,057.20x = 15,699,089,913.33
  5. Step 5: Solve for x
    x = 15,699,089,913.33/132,057.20
  6. Step 6: Final answer
    x = 118,880.98

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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.