Home / 131,224.56-181,104.36-73,865.52

Finding the Fourth Proportional to 131,224.56, 181,104.36 and 73,865.52

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Solution

The fourth proportional to 131,224.56, 181,104.36 and 73,865.52 is: 101,942.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,224.56 : 181,104.36 = 73,865.52 : x
  2. Step 2: Convert to fraction form
    131,224.56/181,104.36 = 73,865.52/x
  3. Step 3: Cross multiply
    131,224.56x = 181,104.36 × 73,865.52
  4. Step 4: Simplify right side
    131,224.56x = 13,377,367,725.67
  5. Step 5: Solve for x
    x = 13,377,367,725.67/131,224.56
  6. Step 6: Final answer
    x = 101,942.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.