Home / 122,976.12-184,047.53-75,621.21

Finding the Fourth Proportional to 122,976.12, 184,047.53 and 75,621.21

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Solution

The fourth proportional to 122,976.12, 184,047.53 and 75,621.21 is: 113,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,976.12 : 184,047.53 = 75,621.21 : x
  2. Step 2: Convert to fraction form
    122,976.12/184,047.53 = 75,621.21/x
  3. Step 3: Cross multiply
    122,976.12x = 184,047.53 × 75,621.21
  4. Step 4: Simplify right side
    122,976.12x = 13,917,896,425.67
  5. Step 5: Solve for x
    x = 13,917,896,425.67/122,976.12
  6. Step 6: Final answer
    x = 113,175.60

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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.