Home / 166,401.63-229,635.99-90,950.13

Finding the Fourth Proportional to 166,401.63, 229,635.99 and 90,950.13

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Solution

The fourth proportional to 166,401.63, 229,635.99 and 90,950.13 is: 125,512.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,401.63 : 229,635.99 = 90,950.13 : x
  2. Step 2: Convert to fraction form
    166,401.63/229,635.99 = 90,950.13/x
  3. Step 3: Cross multiply
    166,401.63x = 229,635.99 × 90,950.13
  4. Step 4: Simplify right side
    166,401.63x = 20,885,423,143.18
  5. Step 5: Solve for x
    x = 20,885,423,143.18/166,401.63
  6. Step 6: Final answer
    x = 125,512.13

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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.