Home / 166,422.15-249,469.20-82,113.30

Finding the Fourth Proportional to 166,422.15, 249,469.20 and 82,113.30

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Solution

The fourth proportional to 166,422.15, 249,469.20 and 82,113.30 is: 123,089.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,422.15 : 249,469.20 = 82,113.30 : x
  2. Step 2: Convert to fraction form
    166,422.15/249,469.20 = 82,113.30/x
  3. Step 3: Cross multiply
    166,422.15x = 249,469.20 × 82,113.30
  4. Step 4: Simplify right side
    166,422.15x = 20,484,739,260.36
  5. Step 5: Solve for x
    x = 20,484,739,260.36/166,422.15
  6. Step 6: Final answer
    x = 123,089.02

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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.