Home / 166,183.16-249,266.10-53,861.72

Finding the Fourth Proportional to 166,183.16, 249,266.10 and 53,861.72

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Solution

The fourth proportional to 166,183.16, 249,266.10 and 53,861.72 is: 80,789.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,183.16 : 249,266.10 = 53,861.72 : x
  2. Step 2: Convert to fraction form
    166,183.16/249,266.10 = 53,861.72/x
  3. Step 3: Cross multiply
    166,183.16x = 249,266.10 × 53,861.72
  4. Step 4: Simplify right side
    166,183.16x = 13,425,900,883.69
  5. Step 5: Solve for x
    x = 13,425,900,883.69/166,183.16
  6. Step 6: Final answer
    x = 80,789.78

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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.