Home / 217,716.43-326,595.25-84,606.95

Finding the Fourth Proportional to 217,716.43, 326,595.25 and 84,606.95

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Solution

The fourth proportional to 217,716.43, 326,595.25 and 84,606.95 is: 126,918.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,716.43 : 326,595.25 = 84,606.95 : x
  2. Step 2: Convert to fraction form
    217,716.43/326,595.25 = 84,606.95/x
  3. Step 3: Cross multiply
    217,716.43x = 326,595.25 × 84,606.95
  4. Step 4: Simplify right side
    217,716.43x = 27,632,226,354.01
  5. Step 5: Solve for x
    x = 27,632,226,354.01/217,716.43
  6. Step 6: Final answer
    x = 126,918.43

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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.