Home / 131,305.46-196,941.78-36,542.75

Finding the Fourth Proportional to 131,305.46, 196,941.78 and 36,542.75

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Solution

The fourth proportional to 131,305.46, 196,941.78 and 36,542.75 is: 54,809.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,305.46 : 196,941.78 = 36,542.75 : x
  2. Step 2: Convert to fraction form
    131,305.46/196,941.78 = 36,542.75/x
  3. Step 3: Cross multiply
    131,305.46x = 196,941.78 × 36,542.75
  4. Step 4: Simplify right side
    131,305.46x = 7,196,793,246.39
  5. Step 5: Solve for x
    x = 7,196,793,246.39/131,305.46
  6. Step 6: Final answer
    x = 54,809.55

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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.