Home / 131,860.82-197,796.70-38,366.57

Finding the Fourth Proportional to 131,860.82, 197,796.70 and 38,366.57

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Solution

The fourth proportional to 131,860.82, 197,796.70 and 38,366.57 is: 57,551.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,860.82 : 197,796.70 = 38,366.57 : x
  2. Step 2: Convert to fraction form
    131,860.82/197,796.70 = 38,366.57/x
  3. Step 3: Cross multiply
    131,860.82x = 197,796.70 × 38,366.57
  4. Step 4: Simplify right side
    131,860.82x = 7,588,780,936.32
  5. Step 5: Solve for x
    x = 7,588,780,936.32/131,860.82
  6. Step 6: Final answer
    x = 57,551.45

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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.