Home / 294,286.11-406,128.20-173,432.49

Finding the Fourth Proportional to 294,286.11, 406,128.20 and 173,432.49

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Solution

The fourth proportional to 294,286.11, 406,128.20 and 173,432.49 is: 239,344.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,286.11 : 406,128.20 = 173,432.49 : x
  2. Step 2: Convert to fraction form
    294,286.11/406,128.20 = 173,432.49/x
  3. Step 3: Cross multiply
    294,286.11x = 406,128.20 × 173,432.49
  4. Step 4: Simplify right side
    294,286.11x = 70,435,824,118.06
  5. Step 5: Solve for x
    x = 70,435,824,118.06/294,286.11
  6. Step 6: Final answer
    x = 239,344.71

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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.