Home / 166,427.20-249,470.70-82,057.60

Finding the Fourth Proportional to 166,427.20, 249,470.70 and 82,057.60

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Solution

The fourth proportional to 166,427.20, 249,470.70 and 82,057.60 is: 123,002.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,427.20 : 249,470.70 = 82,057.60 : x
  2. Step 2: Convert to fraction form
    166,427.20/249,470.70 = 82,057.60/x
  3. Step 3: Cross multiply
    166,427.20x = 249,470.70 × 82,057.60
  4. Step 4: Simplify right side
    166,427.20x = 20,470,966,912.32
  5. Step 5: Solve for x
    x = 20,470,966,912.32/166,427.20
  6. Step 6: Final answer
    x = 123,002.53

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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.