Home / 166,082.20-249,123.30-156,896.80

Finding the Fourth Proportional to 166,082.20, 249,123.30 and 156,896.80

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Solution

The fourth proportional to 166,082.20, 249,123.30 and 156,896.80 is: 235,345.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,082.20 : 249,123.30 = 156,896.80 : x
  2. Step 2: Convert to fraction form
    166,082.20/249,123.30 = 156,896.80/x
  3. Step 3: Cross multiply
    166,082.20x = 249,123.30 × 156,896.80
  4. Step 4: Simplify right side
    166,082.20x = 39,086,648,575.44
  5. Step 5: Solve for x
    x = 39,086,648,575.44/166,082.20
  6. Step 6: Final answer
    x = 235,345.20

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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.