Home / 166,958.12-250,519.41-78,196.29

Finding the Fourth Proportional to 166,958.12, 250,519.41 and 78,196.29

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Solution

The fourth proportional to 166,958.12, 250,519.41 and 78,196.29 is: 117,332.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,958.12 : 250,519.41 = 78,196.29 : x
  2. Step 2: Convert to fraction form
    166,958.12/250,519.41 = 78,196.29/x
  3. Step 3: Cross multiply
    166,958.12x = 250,519.41 × 78,196.29
  4. Step 4: Simplify right side
    166,958.12x = 19,589,688,434.99
  5. Step 5: Solve for x
    x = 19,589,688,434.99/166,958.12
  6. Step 6: Final answer
    x = 117,332.95

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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.