Home / 166,629.40-249,965.70-82,432.60

Finding the Fourth Proportional to 166,629.40, 249,965.70 and 82,432.60

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Solution

The fourth proportional to 166,629.40, 249,965.70 and 82,432.60 is: 123,659.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,629.40 : 249,965.70 = 82,432.60 : x
  2. Step 2: Convert to fraction form
    166,629.40/249,965.70 = 82,432.60/x
  3. Step 3: Cross multiply
    166,629.40x = 249,965.70 × 82,432.60
  4. Step 4: Simplify right side
    166,629.40x = 20,605,322,561.82
  5. Step 5: Solve for x
    x = 20,605,322,561.82/166,629.40
  6. Step 6: Final answer
    x = 123,659.59

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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.