Home / 188,009.16-281,948.04-75,660.22

Finding the Fourth Proportional to 188,009.16, 281,948.04 and 75,660.22

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Solution

The fourth proportional to 188,009.16, 281,948.04 and 75,660.22 is: 113,463.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,009.16 : 281,948.04 = 75,660.22 : x
  2. Step 2: Convert to fraction form
    188,009.16/281,948.04 = 75,660.22/x
  3. Step 3: Cross multiply
    188,009.16x = 281,948.04 × 75,660.22
  4. Step 4: Simplify right side
    188,009.16x = 21,332,250,734.97
  5. Step 5: Solve for x
    x = 21,332,250,734.97/188,009.16
  6. Step 6: Final answer
    x = 113,463.89

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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.