Home / 200,910.32-301,355.74-74,575.19

Finding the Fourth Proportional to 200,910.32, 301,355.74 and 74,575.19

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Solution

The fourth proportional to 200,910.32, 301,355.74 and 74,575.19 is: 111,859.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,910.32 : 301,355.74 = 74,575.19 : x
  2. Step 2: Convert to fraction form
    200,910.32/301,355.74 = 74,575.19/x
  3. Step 3: Cross multiply
    200,910.32x = 301,355.74 × 74,575.19
  4. Step 4: Simplify right side
    200,910.32x = 22,473,661,568.09
  5. Step 5: Solve for x
    x = 22,473,661,568.09/200,910.32
  6. Step 6: Final answer
    x = 111,859.17

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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.