Home / 188,446.19-259,939.01-123,922.81

Finding the Fourth Proportional to 188,446.19, 259,939.01 and 123,922.81

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Solution

The fourth proportional to 188,446.19, 259,939.01 and 123,922.81 is: 170,936.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,446.19 : 259,939.01 = 123,922.81 : x
  2. Step 2: Convert to fraction form
    188,446.19/259,939.01 = 123,922.81/x
  3. Step 3: Cross multiply
    188,446.19x = 259,939.01 × 123,922.81
  4. Step 4: Simplify right side
    188,446.19x = 32,212,372,547.82
  5. Step 5: Solve for x
    x = 32,212,372,547.82/188,446.19
  6. Step 6: Final answer
    x = 170,936.71

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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.