Home / 123,131.76-184,623.66-48,162.48

Finding the Fourth Proportional to 123,131.76, 184,623.66 and 48,162.48

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Solution

The fourth proportional to 123,131.76, 184,623.66 and 48,162.48 is: 72,214.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,131.76 : 184,623.66 = 48,162.48 : x
  2. Step 2: Convert to fraction form
    123,131.76/184,623.66 = 48,162.48/x
  3. Step 3: Cross multiply
    123,131.76x = 184,623.66 × 48,162.48
  4. Step 4: Simplify right side
    123,131.76x = 8,891,933,332.28
  5. Step 5: Solve for x
    x = 8,891,933,332.28/123,131.76
  6. Step 6: Final answer
    x = 72,214.78

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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.