Home / 123,340.11-185,016.21-40,234.11

Finding the Fourth Proportional to 123,340.11, 185,016.21 and 40,234.11

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Solution

The fourth proportional to 123,340.11, 185,016.21 and 40,234.11 is: 60,353.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,340.11 : 185,016.21 = 40,234.11 : x
  2. Step 2: Convert to fraction form
    123,340.11/185,016.21 = 40,234.11/x
  3. Step 3: Cross multiply
    123,340.11x = 185,016.21 × 40,234.11
  4. Step 4: Simplify right side
    123,340.11x = 7,443,962,544.92
  5. Step 5: Solve for x
    x = 7,443,962,544.92/123,340.11
  6. Step 6: Final answer
    x = 60,353.14

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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.