Home / 217,589.56-326,073.30-123,901.72

Finding the Fourth Proportional to 217,589.56, 326,073.30 and 123,901.72

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Solution

The fourth proportional to 217,589.56, 326,073.30 and 123,901.72 is: 185,675.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,589.56 : 326,073.30 = 123,901.72 : x
  2. Step 2: Convert to fraction form
    217,589.56/326,073.30 = 123,901.72/x
  3. Step 3: Cross multiply
    217,589.56x = 326,073.30 × 123,901.72
  4. Step 4: Simplify right side
    217,589.56x = 40,401,042,716.08
  5. Step 5: Solve for x
    x = 40,401,042,716.08/217,589.56
  6. Step 6: Final answer
    x = 185,675.46

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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.