Home / 131,020.74-196,534.94-36,251.69

Finding the Fourth Proportional to 131,020.74, 196,534.94 and 36,251.69

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Solution

The fourth proportional to 131,020.74, 196,534.94 and 36,251.69 is: 54,378.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,020.74 : 196,534.94 = 36,251.69 : x
  2. Step 2: Convert to fraction form
    131,020.74/196,534.94 = 36,251.69/x
  3. Step 3: Cross multiply
    131,020.74x = 196,534.94 × 36,251.69
  4. Step 4: Simplify right side
    131,020.74x = 7,124,723,741.10
  5. Step 5: Solve for x
    x = 7,124,723,741.10/131,020.74
  6. Step 6: Final answer
    x = 54,378.59

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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.