Home / 148,930.80-223,396.20-130,851.60

Finding the Fourth Proportional to 148,930.80, 223,396.20 and 130,851.60

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Solution

The fourth proportional to 148,930.80, 223,396.20 and 130,851.60 is: 196,277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,930.80 : 223,396.20 = 130,851.60 : x
  2. Step 2: Convert to fraction form
    148,930.80/223,396.20 = 130,851.60/x
  3. Step 3: Cross multiply
    148,930.80x = 223,396.20 × 130,851.60
  4. Step 4: Simplify right side
    148,930.80x = 29,231,750,203.92
  5. Step 5: Solve for x
    x = 29,231,750,203.92/148,930.80
  6. Step 6: Final answer
    x = 196,277.40

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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.