Home / 177,917.35-266,876.19-72,736.32

Finding the Fourth Proportional to 177,917.35, 266,876.19 and 72,736.32

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Solution

The fourth proportional to 177,917.35, 266,876.19 and 72,736.32 is: 109,104.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,917.35 : 266,876.19 = 72,736.32 : x
  2. Step 2: Convert to fraction form
    177,917.35/266,876.19 = 72,736.32/x
  3. Step 3: Cross multiply
    177,917.35x = 266,876.19 × 72,736.32
  4. Step 4: Simplify right side
    177,917.35x = 19,411,591,285.10
  5. Step 5: Solve for x
    x = 19,411,591,285.10/177,917.35
  6. Step 6: Final answer
    x = 109,104.54

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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.