Home / 131,856.13-197,789.67-38,361.88

Finding the Fourth Proportional to 131,856.13, 197,789.67 and 38,361.88

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Solution

The fourth proportional to 131,856.13, 197,789.67 and 38,361.88 is: 57,544.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,856.13 : 197,789.67 = 38,361.88 : x
  2. Step 2: Convert to fraction form
    131,856.13/197,789.67 = 38,361.88/x
  3. Step 3: Cross multiply
    131,856.13x = 197,789.67 × 38,361.88
  4. Step 4: Simplify right side
    131,856.13x = 7,587,583,384.63
  5. Step 5: Solve for x
    x = 7,587,583,384.63/131,856.13
  6. Step 6: Final answer
    x = 57,544.41

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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.