Home / 188,917.83-260,708.37-104,035.50

Finding the Fourth Proportional to 188,917.83, 260,708.37 and 104,035.50

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Solution

The fourth proportional to 188,917.83, 260,708.37 and 104,035.50 is: 143,569.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,917.83 : 260,708.37 = 104,035.50 : x
  2. Step 2: Convert to fraction form
    188,917.83/260,708.37 = 104,035.50/x
  3. Step 3: Cross multiply
    188,917.83x = 260,708.37 × 104,035.50
  4. Step 4: Simplify right side
    188,917.83x = 27,122,925,627.14
  5. Step 5: Solve for x
    x = 27,122,925,627.14/188,917.83
  6. Step 6: Final answer
    x = 143,569.96

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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.