Home / 166,273.20-249,432.36-53,916.78

Finding the Fourth Proportional to 166,273.20, 249,432.36 and 53,916.78

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Solution

The fourth proportional to 166,273.20, 249,432.36 and 53,916.78 is: 80,882.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,273.20 : 249,432.36 = 53,916.78 : x
  2. Step 2: Convert to fraction form
    166,273.20/249,432.36 = 53,916.78/x
  3. Step 3: Cross multiply
    166,273.20x = 249,432.36 × 53,916.78
  4. Step 4: Simplify right side
    166,273.20x = 13,448,589,679.00
  5. Step 5: Solve for x
    x = 13,448,589,679.00/166,273.20
  6. Step 6: Final answer
    x = 80,882.49

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1.5x scale

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.