Home / 131,620.13-197,384-36,824.84

Finding the Fourth Proportional to 131,620.13, 197,384 and 36,824.84

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Solution

The fourth proportional to 131,620.13, 197,384 and 36,824.84 is: 55,224.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,620.13 : 197,384 = 36,824.84 : x
  2. Step 2: Convert to fraction form
    131,620.13/197,384 = 36,824.84/x
  3. Step 3: Cross multiply
    131,620.13x = 197,384 × 36,824.84
  4. Step 4: Simplify right side
    131,620.13x = 7,268,634,218.56
  5. Step 5: Solve for x
    x = 7,268,634,218.56/131,620.13
  6. Step 6: Final answer
    x = 55,224.34

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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.