Home / 166,401.94-229,634.12-90,950.26

Finding the Fourth Proportional to 166,401.94, 229,634.12 and 90,950.26

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Solution

The fourth proportional to 166,401.94, 229,634.12 and 90,950.26 is: 125,511.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,401.94 : 229,634.12 = 90,950.26 : x
  2. Step 2: Convert to fraction form
    166,401.94/229,634.12 = 90,950.26/x
  3. Step 3: Cross multiply
    166,401.94x = 229,634.12 × 90,950.26
  4. Step 4: Simplify right side
    166,401.94x = 20,885,282,918.87
  5. Step 5: Solve for x
    x = 20,885,282,918.87/166,401.94
  6. Step 6: Final answer
    x = 125,511.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.