Home / 166,535.92-249,806.16-54,216.70

Finding the Fourth Proportional to 166,535.92, 249,806.16 and 54,216.70

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Solution

The fourth proportional to 166,535.92, 249,806.16 and 54,216.70 is: 81,325.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,535.92 : 249,806.16 = 54,216.70 : x
  2. Step 2: Convert to fraction form
    166,535.92/249,806.16 = 54,216.70/x
  3. Step 3: Cross multiply
    166,535.92x = 249,806.16 × 54,216.70
  4. Step 4: Simplify right side
    166,535.92x = 13,543,665,634.87
  5. Step 5: Solve for x
    x = 13,543,665,634.87/166,535.92
  6. Step 6: Final answer
    x = 81,325.79

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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.