Home / 217,519.32-326,291.45-57,591.09

Finding the Fourth Proportional to 217,519.32, 326,291.45 and 57,591.09

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Solution

The fourth proportional to 217,519.32, 326,291.45 and 57,591.09 is: 86,389.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,519.32 : 326,291.45 = 57,591.09 : x
  2. Step 2: Convert to fraction form
    217,519.32/326,291.45 = 57,591.09/x
  3. Step 3: Cross multiply
    217,519.32x = 326,291.45 × 57,591.09
  4. Step 4: Simplify right side
    217,519.32x = 18,791,481,198.82
  5. Step 5: Solve for x
    x = 18,791,481,198.82/217,519.32
  6. Step 6: Final answer
    x = 86,389.94

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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.