Home / 123,441.36-185,171.64-40,343.76

Finding the Fourth Proportional to 123,441.36, 185,171.64 and 40,343.76

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Solution

The fourth proportional to 123,441.36, 185,171.64 and 40,343.76 is: 60,518.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,441.36 : 185,171.64 = 40,343.76 : x
  2. Step 2: Convert to fraction form
    123,441.36/185,171.64 = 40,343.76/x
  3. Step 3: Cross multiply
    123,441.36x = 185,171.64 × 40,343.76
  4. Step 4: Simplify right side
    123,441.36x = 7,470,520,202.97
  5. Step 5: Solve for x
    x = 7,470,520,202.97/123,441.36
  6. Step 6: Final answer
    x = 60,518.78

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1.5x scale

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.