Home / 166,729.20-249,923.70-82,359.60

Finding the Fourth Proportional to 166,729.20, 249,923.70 and 82,359.60

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Solution

The fourth proportional to 166,729.20, 249,923.70 and 82,359.60 is: 123,455.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,729.20 : 249,923.70 = 82,359.60 : x
  2. Step 2: Convert to fraction form
    166,729.20/249,923.70 = 82,359.60/x
  3. Step 3: Cross multiply
    166,729.20x = 249,923.70 × 82,359.60
  4. Step 4: Simplify right side
    166,729.20x = 20,583,615,962.52
  5. Step 5: Solve for x
    x = 20,583,615,962.52/166,729.20
  6. Step 6: Final answer
    x = 123,455.38

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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.