Home / 166,626.40-249,961.20-82,429.60

Finding the Fourth Proportional to 166,626.40, 249,961.20 and 82,429.60

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Solution

The fourth proportional to 166,626.40, 249,961.20 and 82,429.60 is: 123,655.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,626.40 : 249,961.20 = 82,429.60 : x
  2. Step 2: Convert to fraction form
    166,626.40/249,961.20 = 82,429.60/x
  3. Step 3: Cross multiply
    166,626.40x = 249,961.20 × 82,429.60
  4. Step 4: Simplify right side
    166,626.40x = 20,604,201,731.52
  5. Step 5: Solve for x
    x = 20,604,201,731.52/166,626.40
  6. Step 6: Final answer
    x = 123,655.09

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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.