Home / 166,028.20-249,042.30-106,930.60

Finding the Fourth Proportional to 166,028.20, 249,042.30 and 106,930.60

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Solution

The fourth proportional to 166,028.20, 249,042.30 and 106,930.60 is: 160,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,028.20 : 249,042.30 = 106,930.60 : x
  2. Step 2: Convert to fraction form
    166,028.20/249,042.30 = 106,930.60/x
  3. Step 3: Cross multiply
    166,028.20x = 249,042.30 × 106,930.60
  4. Step 4: Simplify right side
    166,028.20x = 26,630,242,564.38
  5. Step 5: Solve for x
    x = 26,630,242,564.38/166,028.20
  6. Step 6: Final answer
    x = 160,395.90

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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.