Home / 131,850.37-197,781.01-38,356.12

Finding the Fourth Proportional to 131,850.37, 197,781.01 and 38,356.12

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Solution

The fourth proportional to 131,850.37, 197,781.01 and 38,356.12 is: 57,535.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,850.37 : 197,781.01 = 38,356.12 : x
  2. Step 2: Convert to fraction form
    131,850.37/197,781.01 = 38,356.12/x
  3. Step 3: Cross multiply
    131,850.37x = 197,781.01 × 38,356.12
  4. Step 4: Simplify right side
    131,850.37x = 7,586,111,407.85
  5. Step 5: Solve for x
    x = 7,586,111,407.85/131,850.37
  6. Step 6: Final answer
    x = 57,535.76

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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.