Home / 171,684.38-236,920.20-95,203.78

Finding the Fourth Proportional to 171,684.38, 236,920.20 and 95,203.78

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Solution

The fourth proportional to 171,684.38, 236,920.20 and 95,203.78 is: 131,378.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,684.38 : 236,920.20 = 95,203.78 : x
  2. Step 2: Convert to fraction form
    171,684.38/236,920.20 = 95,203.78/x
  3. Step 3: Cross multiply
    171,684.38x = 236,920.20 × 95,203.78
  4. Step 4: Simplify right side
    171,684.38x = 22,555,698,598.36
  5. Step 5: Solve for x
    x = 22,555,698,598.36/171,684.38
  6. Step 6: Final answer
    x = 131,378.86

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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.