Home / 166,440.15-249,496.20-82,131.30

Finding the Fourth Proportional to 166,440.15, 249,496.20 and 82,131.30

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Solution

The fourth proportional to 166,440.15, 249,496.20 and 82,131.30 is: 123,116.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,440.15 : 249,496.20 = 82,131.30 : x
  2. Step 2: Convert to fraction form
    166,440.15/249,496.20 = 82,131.30/x
  3. Step 3: Cross multiply
    166,440.15x = 249,496.20 × 82,131.30
  4. Step 4: Simplify right side
    166,440.15x = 20,491,447,251.06
  5. Step 5: Solve for x
    x = 20,491,447,251.06/166,440.15
  6. Step 6: Final answer
    x = 123,116.01

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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.