Home / 200,729.92-276,765.12-173,457.28

Finding the Fourth Proportional to 200,729.92, 276,765.12 and 173,457.28

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Solution

The fourth proportional to 200,729.92, 276,765.12 and 173,457.28 is: 239,161.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,729.92 : 276,765.12 = 173,457.28 : x
  2. Step 2: Convert to fraction form
    200,729.92/276,765.12 = 173,457.28/x
  3. Step 3: Cross multiply
    200,729.92x = 276,765.12 × 173,457.28
  4. Step 4: Simplify right side
    200,729.92x = 48,006,924,914.07
  5. Step 5: Solve for x
    x = 48,006,924,914.07/200,729.92
  6. Step 6: Final answer
    x = 239,161.78

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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.