Home / 166,906.20-250,359.30-122,291.40

Finding the Fourth Proportional to 166,906.20, 250,359.30 and 122,291.40

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Solution

The fourth proportional to 166,906.20, 250,359.30 and 122,291.40 is: 183,437.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,906.20 : 250,359.30 = 122,291.40 : x
  2. Step 2: Convert to fraction form
    166,906.20/250,359.30 = 122,291.40/x
  3. Step 3: Cross multiply
    166,906.20x = 250,359.30 × 122,291.40
  4. Step 4: Simplify right side
    166,906.20x = 30,616,789,300.02
  5. Step 5: Solve for x
    x = 30,616,789,300.02/166,906.20
  6. Step 6: Final answer
    x = 183,437.10

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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.