Home / 122,972.08-184,041.49-75,617.16

Finding the Fourth Proportional to 122,972.08, 184,041.49 and 75,617.16

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Solution

The fourth proportional to 122,972.08, 184,041.49 and 75,617.16 is: 113,169.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,972.08 : 184,041.49 = 75,617.16 : x
  2. Step 2: Convert to fraction form
    122,972.08/184,041.49 = 75,617.16/x
  3. Step 3: Cross multiply
    122,972.08x = 184,041.49 × 75,617.16
  4. Step 4: Simplify right side
    122,972.08x = 13,916,695,375.66
  5. Step 5: Solve for x
    x = 13,916,695,375.66/122,972.08
  6. Step 6: Final answer
    x = 113,169.56

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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.