Home / 123,118.24-184,650.80-38,884.96

Finding the Fourth Proportional to 123,118.24, 184,650.80 and 38,884.96

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Solution

The fourth proportional to 123,118.24, 184,650.80 and 38,884.96 is: 58,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,118.24 : 184,650.80 = 38,884.96 : x
  2. Step 2: Convert to fraction form
    123,118.24/184,650.80 = 38,884.96/x
  3. Step 3: Cross multiply
    123,118.24x = 184,650.80 × 38,884.96
  4. Step 4: Simplify right side
    123,118.24x = 7,180,138,971.97
  5. Step 5: Solve for x
    x = 7,180,138,971.97/123,118.24
  6. Step 6: Final answer
    x = 58,319.05

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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.