Home / 166,492.20-249,738.30-82,292.70

Finding the Fourth Proportional to 166,492.20, 249,738.30 and 82,292.70

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Solution

The fourth proportional to 166,492.20, 249,738.30 and 82,292.70 is: 123,439.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,492.20 : 249,738.30 = 82,292.70 : x
  2. Step 2: Convert to fraction form
    166,492.20/249,738.30 = 82,292.70/x
  3. Step 3: Cross multiply
    166,492.20x = 249,738.30 × 82,292.70
  4. Step 4: Simplify right side
    166,492.20x = 20,551,639,000.41
  5. Step 5: Solve for x
    x = 20,551,639,000.41/166,492.20
  6. Step 6: Final answer
    x = 123,439.05

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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.