Home / 123,234.24-184,864.32-40,134.72

Finding the Fourth Proportional to 123,234.24, 184,864.32 and 40,134.72

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Solution

The fourth proportional to 123,234.24, 184,864.32 and 40,134.72 is: 60,206.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,234.24 : 184,864.32 = 40,134.72 : x
  2. Step 2: Convert to fraction form
    123,234.24/184,864.32 = 40,134.72/x
  3. Step 3: Cross multiply
    123,234.24x = 184,864.32 × 40,134.72
  4. Step 4: Simplify right side
    123,234.24x = 7,419,477,721.19
  5. Step 5: Solve for x
    x = 7,419,477,721.19/123,234.24
  6. Step 6: Final answer
    x = 60,206.30

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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.