Home / 131,305.28-196,941.50-36,542.57

Finding the Fourth Proportional to 131,305.28, 196,941.50 and 36,542.57

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Solution

The fourth proportional to 131,305.28, 196,941.50 and 36,542.57 is: 54,809.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,305.28 : 196,941.50 = 36,542.57 : x
  2. Step 2: Convert to fraction form
    131,305.28/196,941.50 = 36,542.57/x
  3. Step 3: Cross multiply
    131,305.28x = 196,941.50 × 36,542.57
  4. Step 4: Simplify right side
    131,305.28x = 7,196,747,382.23
  5. Step 5: Solve for x
    x = 7,196,747,382.23/131,305.28
  6. Step 6: Final answer
    x = 54,809.28

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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.