Home / 199,664.38-275,547.98-109,028.75

Finding the Fourth Proportional to 199,664.38, 275,547.98 and 109,028.75

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Solution

The fourth proportional to 199,664.38, 275,547.98 and 109,028.75 is: 150,465.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,664.38 : 275,547.98 = 109,028.75 : x
  2. Step 2: Convert to fraction form
    199,664.38/275,547.98 = 109,028.75/x
  3. Step 3: Cross multiply
    199,664.38x = 275,547.98 × 109,028.75
  4. Step 4: Simplify right side
    199,664.38x = 30,042,652,785.87
  5. Step 5: Solve for x
    x = 30,042,652,785.87/199,664.38
  6. Step 6: Final answer
    x = 150,465.76

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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.